google_cloud_support_v2/

model.rs

// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by sidekick. DO NOT EDIT.

#![allow(rustdoc::redundant_explicit_links)]
#![allow(rustdoc::broken_intra_doc_links)]
#![no_implicit_prelude]
extern crate async_trait;
extern crate bytes;
extern crate gax;
extern crate gaxi;
extern crate lazy_static;
extern crate reqwest;
extern crate serde;
extern crate serde_json;
extern crate serde_with;
extern crate std;
extern crate tracing;
extern crate wkt;

/// An Actor represents an entity that performed an action. For example, an actor
/// could be a user who posted a comment on a support case, a user who
/// uploaded an attachment, or a service account that created a support case.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct Actor {
    /// The name to display for the actor. If not provided, it is inferred from
    /// credentials supplied during case creation. When an email is provided, a
    /// display name must also be provided. This will be obfuscated if the user
    /// is a Google Support agent.
    pub display_name: std::string::String,

    /// The email address of the actor. If not provided, it is inferred from the
    /// credentials supplied during case creation. When a name is provided, an
    /// email must also be provided. If the user is a Google Support agent, this is
    /// obfuscated.
    ///
    /// This field is deprecated. Use `username` instead.
    #[deprecated]
    pub email: std::string::String,

    /// Output only. Whether the actor is a Google support actor.
    pub google_support: bool,

    /// Output only. The username of the actor. It may look like an email or other
    /// format provided by the identity provider. If not provided, it is inferred
    /// from the credentials supplied. When a name is provided, a username must
    /// also be provided. If the user is a Google Support agent, this will not be
    /// set.
    pub username: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl Actor {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [display_name][crate::model::Actor::display_name].
    pub fn set_display_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.display_name = v.into();
        self
    }

    /// Sets the value of [email][crate::model::Actor::email].
    #[deprecated]
    pub fn set_email<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.email = v.into();
        self
    }

    /// Sets the value of [google_support][crate::model::Actor::google_support].
    pub fn set_google_support<T: std::convert::Into<bool>>(mut self, v: T) -> Self {
        self.google_support = v.into();
        self
    }

    /// Sets the value of [username][crate::model::Actor::username].
    pub fn set_username<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.username = v.into();
        self
    }
}

impl wkt::message::Message for Actor {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.Actor"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for Actor {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __display_name,
            __email,
            __google_support,
            __username,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for Actor")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "displayName" => Ok(__FieldTag::__display_name),
                            "display_name" => Ok(__FieldTag::__display_name),
                            "email" => Ok(__FieldTag::__email),
                            "googleSupport" => Ok(__FieldTag::__google_support),
                            "google_support" => Ok(__FieldTag::__google_support),
                            "username" => Ok(__FieldTag::__username),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = Actor;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct Actor")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__display_name => {
                            if !fields.insert(__FieldTag::__display_name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for display_name",
                                ));
                            }
                            result.display_name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__email => {
                            if !fields.insert(__FieldTag::__email) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for email",
                                ));
                            }
                            result.email = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__google_support => {
                            if !fields.insert(__FieldTag::__google_support) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for google_support",
                                ));
                            }
                            result.google_support = map
                                .next_value::<std::option::Option<bool>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__username => {
                            if !fields.insert(__FieldTag::__username) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for username",
                                ));
                            }
                            result.username = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for Actor {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.display_name.is_empty() {
            state.serialize_entry("displayName", &self.display_name)?;
        }
        if !self.email.is_empty() {
            state.serialize_entry("email", &self.email)?;
        }
        if !wkt::internal::is_default(&self.google_support) {
            state.serialize_entry("googleSupport", &self.google_support)?;
        }
        if !self.username.is_empty() {
            state.serialize_entry("username", &self.username)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for Actor {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("Actor");
        debug_struct.field("display_name", &self.display_name);
        debug_struct.field("email", &self.email);
        debug_struct.field("google_support", &self.google_support);
        debug_struct.field("username", &self.username);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// An Attachment contains metadata about a file that was uploaded to a
/// case - it is NOT a file itself. That being said, the name of an Attachment
/// object can be used to download its accompanying file through the
/// `media.download` endpoint.
///
/// While attachments can be uploaded in the console at the
/// same time as a comment, they're associated on a "case" level, not a
/// "comment" level.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct Attachment {
    /// Output only. Identifier. The resource name of the attachment.
    pub name: std::string::String,

    /// Output only. The time at which the attachment was created.
    pub create_time: std::option::Option<wkt::Timestamp>,

    /// Output only. The user who uploaded the attachment. Note, the name and email
    /// will be obfuscated if the attachment was uploaded by Google support.
    pub creator: std::option::Option<crate::model::Actor>,

    /// The filename of the attachment (e.g. `"graph.jpg"`).
    pub filename: std::string::String,

    /// Output only. The MIME type of the attachment (e.g. text/plain).
    pub mime_type: std::string::String,

    /// Output only. The size of the attachment in bytes.
    pub size_bytes: i64,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl Attachment {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [name][crate::model::Attachment::name].
    pub fn set_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.name = v.into();
        self
    }

    /// Sets the value of [create_time][crate::model::Attachment::create_time].
    pub fn set_create_time<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.create_time = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [create_time][crate::model::Attachment::create_time].
    pub fn set_or_clear_create_time<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.create_time = v.map(|x| x.into());
        self
    }

    /// Sets the value of [creator][crate::model::Attachment::creator].
    pub fn set_creator<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::Actor>,
    {
        self.creator = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [creator][crate::model::Attachment::creator].
    pub fn set_or_clear_creator<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::Actor>,
    {
        self.creator = v.map(|x| x.into());
        self
    }

    /// Sets the value of [filename][crate::model::Attachment::filename].
    pub fn set_filename<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.filename = v.into();
        self
    }

    /// Sets the value of [mime_type][crate::model::Attachment::mime_type].
    pub fn set_mime_type<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.mime_type = v.into();
        self
    }

    /// Sets the value of [size_bytes][crate::model::Attachment::size_bytes].
    pub fn set_size_bytes<T: std::convert::Into<i64>>(mut self, v: T) -> Self {
        self.size_bytes = v.into();
        self
    }
}

impl wkt::message::Message for Attachment {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.Attachment"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for Attachment {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __name,
            __create_time,
            __creator,
            __filename,
            __mime_type,
            __size_bytes,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for Attachment")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "name" => Ok(__FieldTag::__name),
                            "createTime" => Ok(__FieldTag::__create_time),
                            "create_time" => Ok(__FieldTag::__create_time),
                            "creator" => Ok(__FieldTag::__creator),
                            "filename" => Ok(__FieldTag::__filename),
                            "mimeType" => Ok(__FieldTag::__mime_type),
                            "mime_type" => Ok(__FieldTag::__mime_type),
                            "sizeBytes" => Ok(__FieldTag::__size_bytes),
                            "size_bytes" => Ok(__FieldTag::__size_bytes),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = Attachment;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct Attachment")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__name => {
                            if !fields.insert(__FieldTag::__name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for name",
                                ));
                            }
                            result.name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__create_time => {
                            if !fields.insert(__FieldTag::__create_time) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for create_time",
                                ));
                            }
                            result.create_time =
                                map.next_value::<std::option::Option<wkt::Timestamp>>()?;
                        }
                        __FieldTag::__creator => {
                            if !fields.insert(__FieldTag::__creator) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for creator",
                                ));
                            }
                            result.creator =
                                map.next_value::<std::option::Option<crate::model::Actor>>()?;
                        }
                        __FieldTag::__filename => {
                            if !fields.insert(__FieldTag::__filename) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for filename",
                                ));
                            }
                            result.filename = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__mime_type => {
                            if !fields.insert(__FieldTag::__mime_type) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for mime_type",
                                ));
                            }
                            result.mime_type = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__size_bytes => {
                            if !fields.insert(__FieldTag::__size_bytes) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for size_bytes",
                                ));
                            }
                            struct __With(std::option::Option<i64>);
                            impl<'de> serde::de::Deserialize<'de> for __With {
                                fn deserialize<D>(
                                    deserializer: D,
                                ) -> std::result::Result<Self, D::Error>
                                where
                                    D: serde::de::Deserializer<'de>,
                                {
                                    serde_with::As::< std::option::Option<wkt::internal::I64> >::deserialize(deserializer).map(__With)
                                }
                            }
                            result.size_bytes = map.next_value::<__With>()?.0.unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for Attachment {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if self.create_time.is_some() {
            state.serialize_entry("createTime", &self.create_time)?;
        }
        if self.creator.is_some() {
            state.serialize_entry("creator", &self.creator)?;
        }
        if !self.filename.is_empty() {
            state.serialize_entry("filename", &self.filename)?;
        }
        if !self.mime_type.is_empty() {
            state.serialize_entry("mimeType", &self.mime_type)?;
        }
        if !wkt::internal::is_default(&self.size_bytes) {
            struct __With<'a>(&'a i64);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I64>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("sizeBytes", &__With(&self.size_bytes))?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for Attachment {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("Attachment");
        debug_struct.field("name", &self.name);
        debug_struct.field("create_time", &self.create_time);
        debug_struct.field("creator", &self.creator);
        debug_struct.field("filename", &self.filename);
        debug_struct.field("mime_type", &self.mime_type);
        debug_struct.field("size_bytes", &self.size_bytes);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the ListAttachments endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct ListAttachmentsRequest {
    /// Required. The name of the case for which attachments should be listed.
    pub parent: std::string::String,

    /// The maximum number of attachments fetched with each request.
    ///
    /// If not provided, the default is 10. The maximum page size that will be
    /// returned is 100.
    ///
    /// The size of each page can be smaller than the requested page size and can
    /// include zero. For example, you could request 100 attachments on one page,
    /// receive 0, and then on the next page, receive 90.
    pub page_size: i32,

    /// A token identifying the page of results to return. If unspecified, the
    /// first page is retrieved.
    pub page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl ListAttachmentsRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [parent][crate::model::ListAttachmentsRequest::parent].
    pub fn set_parent<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.parent = v.into();
        self
    }

    /// Sets the value of [page_size][crate::model::ListAttachmentsRequest::page_size].
    pub fn set_page_size<T: std::convert::Into<i32>>(mut self, v: T) -> Self {
        self.page_size = v.into();
        self
    }

    /// Sets the value of [page_token][crate::model::ListAttachmentsRequest::page_token].
    pub fn set_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.page_token = v.into();
        self
    }
}

impl wkt::message::Message for ListAttachmentsRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.ListAttachmentsRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for ListAttachmentsRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __parent,
            __page_size,
            __page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for ListAttachmentsRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "parent" => Ok(__FieldTag::__parent),
                            "pageSize" => Ok(__FieldTag::__page_size),
                            "page_size" => Ok(__FieldTag::__page_size),
                            "pageToken" => Ok(__FieldTag::__page_token),
                            "page_token" => Ok(__FieldTag::__page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = ListAttachmentsRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct ListAttachmentsRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__parent => {
                            if !fields.insert(__FieldTag::__parent) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for parent",
                                ));
                            }
                            result.parent = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__page_size => {
                            if !fields.insert(__FieldTag::__page_size) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_size",
                                ));
                            }
                            struct __With(std::option::Option<i32>);
                            impl<'de> serde::de::Deserialize<'de> for __With {
                                fn deserialize<D>(
                                    deserializer: D,
                                ) -> std::result::Result<Self, D::Error>
                                where
                                    D: serde::de::Deserializer<'de>,
                                {
                                    serde_with::As::< std::option::Option<wkt::internal::I32> >::deserialize(deserializer).map(__With)
                                }
                            }
                            result.page_size = map.next_value::<__With>()?.0.unwrap_or_default();
                        }
                        __FieldTag::__page_token => {
                            if !fields.insert(__FieldTag::__page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_token",
                                ));
                            }
                            result.page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for ListAttachmentsRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for ListAttachmentsRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("ListAttachmentsRequest");
        debug_struct.field("parent", &self.parent);
        debug_struct.field("page_size", &self.page_size);
        debug_struct.field("page_token", &self.page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The response message for the ListAttachments endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct ListAttachmentsResponse {
    /// The list of attachments associated with a case.
    pub attachments: std::vec::Vec<crate::model::Attachment>,

    /// A token to retrieve the next page of results. Set this in the `page_token`
    /// field of subsequent `cases.attachments.list` requests. If unspecified,
    /// there are no more results to retrieve.
    pub next_page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl ListAttachmentsResponse {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [attachments][crate::model::ListAttachmentsResponse::attachments].
    pub fn set_attachments<T, V>(mut self, v: T) -> Self
    where
        T: std::iter::IntoIterator<Item = V>,
        V: std::convert::Into<crate::model::Attachment>,
    {
        use std::iter::Iterator;
        self.attachments = v.into_iter().map(|i| i.into()).collect();
        self
    }

    /// Sets the value of [next_page_token][crate::model::ListAttachmentsResponse::next_page_token].
    pub fn set_next_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.next_page_token = v.into();
        self
    }
}

impl wkt::message::Message for ListAttachmentsResponse {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.ListAttachmentsResponse"
    }
}

#[doc(hidden)]
impl gax::paginator::internal::PageableResponse for ListAttachmentsResponse {
    type PageItem = crate::model::Attachment;

    fn items(self) -> std::vec::Vec<Self::PageItem> {
        self.attachments
    }

    fn next_page_token(&self) -> std::string::String {
        use std::clone::Clone;
        self.next_page_token.clone()
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for ListAttachmentsResponse {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __attachments,
            __next_page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for ListAttachmentsResponse")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "attachments" => Ok(__FieldTag::__attachments),
                            "nextPageToken" => Ok(__FieldTag::__next_page_token),
                            "next_page_token" => Ok(__FieldTag::__next_page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = ListAttachmentsResponse;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct ListAttachmentsResponse")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__attachments => {
                            if !fields.insert(__FieldTag::__attachments) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for attachments",
                                ));
                            }
                            result.attachments = map.next_value::<std::option::Option<std::vec::Vec<crate::model::Attachment>>>()?.unwrap_or_default();
                        }
                        __FieldTag::__next_page_token => {
                            if !fields.insert(__FieldTag::__next_page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for next_page_token",
                                ));
                            }
                            result.next_page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for ListAttachmentsResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.attachments.is_empty() {
            state.serialize_entry("attachments", &self.attachments)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for ListAttachmentsResponse {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("ListAttachmentsResponse");
        debug_struct.field("attachments", &self.attachments);
        debug_struct.field("next_page_token", &self.next_page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// A Case is an object that contains the details of a support case. It
/// contains fields for the time it was created, its priority, its
/// classification, and more. Cases can also have comments and attachments that
/// get added over time.
///
/// A case is parented by a Google Cloud organization or project.
///
/// Organizations are identified by a number, so the name of a case parented by
/// an organization would look like this:
///
/// ```norust
/// organizations/123/cases/456
/// ```
///
/// Projects have two unique identifiers, an ID and a number, and they look like
/// this:
///
/// ```norust
/// projects/abc/cases/456
/// ```
///
/// ```norust
/// projects/123/cases/456
/// ```
///
/// You can use either of them when calling the API. To learn more
/// about project identifiers, see [AIP-2510](https://google.aip.dev/cloud/2510).
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct Case {
    /// Identifier. The resource name for the case.
    pub name: std::string::String,

    /// The short summary of the issue reported in this case.
    pub display_name: std::string::String,

    /// A broad description of the issue.
    pub description: std::string::String,

    /// The issue classification applicable to this case.
    pub classification: std::option::Option<crate::model::CaseClassification>,

    /// The timezone of the user who created the support case.
    /// It should be in a format IANA recognizes: <https://www.iana.org/time-zones>.
    /// There is no additional validation done by the API.
    pub time_zone: std::string::String,

    /// The email addresses to receive updates on this case.
    pub subscriber_email_addresses: std::vec::Vec<std::string::String>,

    /// Output only. The current status of the support case.
    pub state: crate::model::case::State,

    /// Output only. The time this case was created.
    pub create_time: std::option::Option<wkt::Timestamp>,

    /// Output only. The time this case was last updated.
    pub update_time: std::option::Option<wkt::Timestamp>,

    /// The user who created the case.
    ///
    /// Note: The name and email will be obfuscated if the case was created by
    /// Google Support.
    pub creator: std::option::Option<crate::model::Actor>,

    /// A user-supplied email address to send case update notifications for. This
    /// should only be used in BYOID flows, where we cannot infer the user's email
    /// address directly from their EUCs.
    pub contact_email: std::string::String,

    /// Whether the case is currently escalated.
    pub escalated: bool,

    /// Whether this case was created for internal API testing and should not be
    /// acted on by the support team.
    pub test_case: bool,

    /// The language the user has requested to receive support in. This should be a
    /// BCP 47 language code (e.g., `"en"`, `"zh-CN"`, `"zh-TW"`, `"ja"`, `"ko"`).
    /// If no language or an unsupported language is specified, this field defaults
    /// to English (en).
    ///
    /// Language selection during case creation may affect your available support
    /// options. For a list of supported languages and their support working hours,
    /// see: <https://cloud.google.com/support/docs/language-working-hours>
    pub language_code: std::string::String,

    /// The priority of this case.
    pub priority: crate::model::case::Priority,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl Case {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [name][crate::model::Case::name].
    pub fn set_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.name = v.into();
        self
    }

    /// Sets the value of [display_name][crate::model::Case::display_name].
    pub fn set_display_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.display_name = v.into();
        self
    }

    /// Sets the value of [description][crate::model::Case::description].
    pub fn set_description<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.description = v.into();
        self
    }

    /// Sets the value of [classification][crate::model::Case::classification].
    pub fn set_classification<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::CaseClassification>,
    {
        self.classification = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [classification][crate::model::Case::classification].
    pub fn set_or_clear_classification<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::CaseClassification>,
    {
        self.classification = v.map(|x| x.into());
        self
    }

    /// Sets the value of [time_zone][crate::model::Case::time_zone].
    pub fn set_time_zone<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.time_zone = v.into();
        self
    }

    /// Sets the value of [subscriber_email_addresses][crate::model::Case::subscriber_email_addresses].
    pub fn set_subscriber_email_addresses<T, V>(mut self, v: T) -> Self
    where
        T: std::iter::IntoIterator<Item = V>,
        V: std::convert::Into<std::string::String>,
    {
        use std::iter::Iterator;
        self.subscriber_email_addresses = v.into_iter().map(|i| i.into()).collect();
        self
    }

    /// Sets the value of [state][crate::model::Case::state].
    pub fn set_state<T: std::convert::Into<crate::model::case::State>>(mut self, v: T) -> Self {
        self.state = v.into();
        self
    }

    /// Sets the value of [create_time][crate::model::Case::create_time].
    pub fn set_create_time<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.create_time = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [create_time][crate::model::Case::create_time].
    pub fn set_or_clear_create_time<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.create_time = v.map(|x| x.into());
        self
    }

    /// Sets the value of [update_time][crate::model::Case::update_time].
    pub fn set_update_time<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.update_time = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [update_time][crate::model::Case::update_time].
    pub fn set_or_clear_update_time<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.update_time = v.map(|x| x.into());
        self
    }

    /// Sets the value of [creator][crate::model::Case::creator].
    pub fn set_creator<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::Actor>,
    {
        self.creator = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [creator][crate::model::Case::creator].
    pub fn set_or_clear_creator<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::Actor>,
    {
        self.creator = v.map(|x| x.into());
        self
    }

    /// Sets the value of [contact_email][crate::model::Case::contact_email].
    pub fn set_contact_email<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.contact_email = v.into();
        self
    }

    /// Sets the value of [escalated][crate::model::Case::escalated].
    pub fn set_escalated<T: std::convert::Into<bool>>(mut self, v: T) -> Self {
        self.escalated = v.into();
        self
    }

    /// Sets the value of [test_case][crate::model::Case::test_case].
    pub fn set_test_case<T: std::convert::Into<bool>>(mut self, v: T) -> Self {
        self.test_case = v.into();
        self
    }

    /// Sets the value of [language_code][crate::model::Case::language_code].
    pub fn set_language_code<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.language_code = v.into();
        self
    }

    /// Sets the value of [priority][crate::model::Case::priority].
    pub fn set_priority<T: std::convert::Into<crate::model::case::Priority>>(
        mut self,
        v: T,
    ) -> Self {
        self.priority = v.into();
        self
    }
}

impl wkt::message::Message for Case {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.Case"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for Case {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __name,
            __display_name,
            __description,
            __classification,
            __time_zone,
            __subscriber_email_addresses,
            __state,
            __create_time,
            __update_time,
            __creator,
            __contact_email,
            __escalated,
            __test_case,
            __language_code,
            __priority,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for Case")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "name" => Ok(__FieldTag::__name),
                            "displayName" => Ok(__FieldTag::__display_name),
                            "display_name" => Ok(__FieldTag::__display_name),
                            "description" => Ok(__FieldTag::__description),
                            "classification" => Ok(__FieldTag::__classification),
                            "timeZone" => Ok(__FieldTag::__time_zone),
                            "time_zone" => Ok(__FieldTag::__time_zone),
                            "subscriberEmailAddresses" => {
                                Ok(__FieldTag::__subscriber_email_addresses)
                            }
                            "subscriber_email_addresses" => {
                                Ok(__FieldTag::__subscriber_email_addresses)
                            }
                            "state" => Ok(__FieldTag::__state),
                            "createTime" => Ok(__FieldTag::__create_time),
                            "create_time" => Ok(__FieldTag::__create_time),
                            "updateTime" => Ok(__FieldTag::__update_time),
                            "update_time" => Ok(__FieldTag::__update_time),
                            "creator" => Ok(__FieldTag::__creator),
                            "contactEmail" => Ok(__FieldTag::__contact_email),
                            "contact_email" => Ok(__FieldTag::__contact_email),
                            "escalated" => Ok(__FieldTag::__escalated),
                            "testCase" => Ok(__FieldTag::__test_case),
                            "test_case" => Ok(__FieldTag::__test_case),
                            "languageCode" => Ok(__FieldTag::__language_code),
                            "language_code" => Ok(__FieldTag::__language_code),
                            "priority" => Ok(__FieldTag::__priority),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = Case;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct Case")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__name => {
                            if !fields.insert(__FieldTag::__name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for name",
                                ));
                            }
                            result.name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__display_name => {
                            if !fields.insert(__FieldTag::__display_name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for display_name",
                                ));
                            }
                            result.display_name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__description => {
                            if !fields.insert(__FieldTag::__description) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for description",
                                ));
                            }
                            result.description = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__classification => {
                            if !fields.insert(__FieldTag::__classification) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for classification",
                                ));
                            }
                            result.classification = map.next_value::<std::option::Option<crate::model::CaseClassification>>()?
                                ;
                        }
                        __FieldTag::__time_zone => {
                            if !fields.insert(__FieldTag::__time_zone) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for time_zone",
                                ));
                            }
                            result.time_zone = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__subscriber_email_addresses => {
                            if !fields.insert(__FieldTag::__subscriber_email_addresses) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for subscriber_email_addresses",
                                ));
                            }
                            result.subscriber_email_addresses = map.next_value::<std::option::Option<std::vec::Vec<std::string::String>>>()?.unwrap_or_default();
                        }
                        __FieldTag::__state => {
                            if !fields.insert(__FieldTag::__state) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for state",
                                ));
                            }
                            result.state = map
                                .next_value::<std::option::Option<crate::model::case::State>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__create_time => {
                            if !fields.insert(__FieldTag::__create_time) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for create_time",
                                ));
                            }
                            result.create_time =
                                map.next_value::<std::option::Option<wkt::Timestamp>>()?;
                        }
                        __FieldTag::__update_time => {
                            if !fields.insert(__FieldTag::__update_time) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for update_time",
                                ));
                            }
                            result.update_time =
                                map.next_value::<std::option::Option<wkt::Timestamp>>()?;
                        }
                        __FieldTag::__creator => {
                            if !fields.insert(__FieldTag::__creator) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for creator",
                                ));
                            }
                            result.creator =
                                map.next_value::<std::option::Option<crate::model::Actor>>()?;
                        }
                        __FieldTag::__contact_email => {
                            if !fields.insert(__FieldTag::__contact_email) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for contact_email",
                                ));
                            }
                            result.contact_email = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__escalated => {
                            if !fields.insert(__FieldTag::__escalated) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for escalated",
                                ));
                            }
                            result.escalated = map
                                .next_value::<std::option::Option<bool>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__test_case => {
                            if !fields.insert(__FieldTag::__test_case) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for test_case",
                                ));
                            }
                            result.test_case = map
                                .next_value::<std::option::Option<bool>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__language_code => {
                            if !fields.insert(__FieldTag::__language_code) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for language_code",
                                ));
                            }
                            result.language_code = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__priority => {
                            if !fields.insert(__FieldTag::__priority) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for priority",
                                ));
                            }
                            result.priority = map
                                .next_value::<std::option::Option<crate::model::case::Priority>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for Case {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if !self.display_name.is_empty() {
            state.serialize_entry("displayName", &self.display_name)?;
        }
        if !self.description.is_empty() {
            state.serialize_entry("description", &self.description)?;
        }
        if self.classification.is_some() {
            state.serialize_entry("classification", &self.classification)?;
        }
        if !self.time_zone.is_empty() {
            state.serialize_entry("timeZone", &self.time_zone)?;
        }
        if !self.subscriber_email_addresses.is_empty() {
            state.serialize_entry("subscriberEmailAddresses", &self.subscriber_email_addresses)?;
        }
        if !wkt::internal::is_default(&self.state) {
            state.serialize_entry("state", &self.state)?;
        }
        if self.create_time.is_some() {
            state.serialize_entry("createTime", &self.create_time)?;
        }
        if self.update_time.is_some() {
            state.serialize_entry("updateTime", &self.update_time)?;
        }
        if self.creator.is_some() {
            state.serialize_entry("creator", &self.creator)?;
        }
        if !self.contact_email.is_empty() {
            state.serialize_entry("contactEmail", &self.contact_email)?;
        }
        if !wkt::internal::is_default(&self.escalated) {
            state.serialize_entry("escalated", &self.escalated)?;
        }
        if !wkt::internal::is_default(&self.test_case) {
            state.serialize_entry("testCase", &self.test_case)?;
        }
        if !self.language_code.is_empty() {
            state.serialize_entry("languageCode", &self.language_code)?;
        }
        if !wkt::internal::is_default(&self.priority) {
            state.serialize_entry("priority", &self.priority)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for Case {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("Case");
        debug_struct.field("name", &self.name);
        debug_struct.field("display_name", &self.display_name);
        debug_struct.field("description", &self.description);
        debug_struct.field("classification", &self.classification);
        debug_struct.field("time_zone", &self.time_zone);
        debug_struct.field(
            "subscriber_email_addresses",
            &self.subscriber_email_addresses,
        );
        debug_struct.field("state", &self.state);
        debug_struct.field("create_time", &self.create_time);
        debug_struct.field("update_time", &self.update_time);
        debug_struct.field("creator", &self.creator);
        debug_struct.field("contact_email", &self.contact_email);
        debug_struct.field("escalated", &self.escalated);
        debug_struct.field("test_case", &self.test_case);
        debug_struct.field("language_code", &self.language_code);
        debug_struct.field("priority", &self.priority);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// Defines additional types related to [Case].
pub mod case {
    #[allow(unused_imports)]
    use super::*;

    /// The status of a support case.
    ///
    /// # Working with unknown values
    ///
    /// This enum is defined as `#[non_exhaustive]` because Google Cloud may add
    /// additional enum variants at any time. Adding new variants is not considered
    /// a breaking change. Applications should write their code in anticipation of:
    ///
    /// - New values appearing in future releases of the client library, **and**
    /// - New values received dynamically, without application changes.
    ///
    /// Please consult the [Working with enums] section in the user guide for some
    /// guidelines.
    ///
    /// [Working with enums]: https://google-cloud-rust.github.io/working_with_enums.html
    #[derive(Clone, Debug, PartialEq)]
    #[non_exhaustive]
    pub enum State {
        /// Case is in an unknown state.
        Unspecified,
        /// The case has been created but no one is assigned to work on it yet.
        New,
        /// The case is currently being handled by Google support.
        InProgressGoogleSupport,
        /// Google is waiting for a response.
        ActionRequired,
        /// A solution has been offered for the case, but it isn't yet closed.
        SolutionProvided,
        /// The case has been resolved.
        Closed,
        /// If set, the enum was initialized with an unknown value.
        ///
        /// Applications can examine the value using [State::value] or
        /// [State::name].
        UnknownValue(state::UnknownValue),
    }

    #[doc(hidden)]
    pub mod state {
        #[allow(unused_imports)]
        use super::*;
        #[derive(Clone, Debug, PartialEq)]
        pub struct UnknownValue(pub(crate) wkt::internal::UnknownEnumValue);
    }

    impl State {
        /// Gets the enum value.
        ///
        /// Returns `None` if the enum contains an unknown value deserialized from
        /// the string representation of enums.
        pub fn value(&self) -> std::option::Option<i32> {
            match self {
                Self::Unspecified => std::option::Option::Some(0),
                Self::New => std::option::Option::Some(1),
                Self::InProgressGoogleSupport => std::option::Option::Some(2),
                Self::ActionRequired => std::option::Option::Some(3),
                Self::SolutionProvided => std::option::Option::Some(4),
                Self::Closed => std::option::Option::Some(5),
                Self::UnknownValue(u) => u.0.value(),
            }
        }

        /// Gets the enum value as a string.
        ///
        /// Returns `None` if the enum contains an unknown value deserialized from
        /// the integer representation of enums.
        pub fn name(&self) -> std::option::Option<&str> {
            match self {
                Self::Unspecified => std::option::Option::Some("STATE_UNSPECIFIED"),
                Self::New => std::option::Option::Some("NEW"),
                Self::InProgressGoogleSupport => {
                    std::option::Option::Some("IN_PROGRESS_GOOGLE_SUPPORT")
                }
                Self::ActionRequired => std::option::Option::Some("ACTION_REQUIRED"),
                Self::SolutionProvided => std::option::Option::Some("SOLUTION_PROVIDED"),
                Self::Closed => std::option::Option::Some("CLOSED"),
                Self::UnknownValue(u) => u.0.name(),
            }
        }
    }

    impl std::default::Default for State {
        fn default() -> Self {
            use std::convert::From;
            Self::from(0)
        }
    }

    impl std::fmt::Display for State {
        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
            wkt::internal::display_enum(f, self.name(), self.value())
        }
    }

    impl std::convert::From<i32> for State {
        fn from(value: i32) -> Self {
            match value {
                0 => Self::Unspecified,
                1 => Self::New,
                2 => Self::InProgressGoogleSupport,
                3 => Self::ActionRequired,
                4 => Self::SolutionProvided,
                5 => Self::Closed,
                _ => Self::UnknownValue(state::UnknownValue(
                    wkt::internal::UnknownEnumValue::Integer(value),
                )),
            }
        }
    }

    impl std::convert::From<&str> for State {
        fn from(value: &str) -> Self {
            use std::string::ToString;
            match value {
                "STATE_UNSPECIFIED" => Self::Unspecified,
                "NEW" => Self::New,
                "IN_PROGRESS_GOOGLE_SUPPORT" => Self::InProgressGoogleSupport,
                "ACTION_REQUIRED" => Self::ActionRequired,
                "SOLUTION_PROVIDED" => Self::SolutionProvided,
                "CLOSED" => Self::Closed,
                _ => Self::UnknownValue(state::UnknownValue(
                    wkt::internal::UnknownEnumValue::String(value.to_string()),
                )),
            }
        }
    }

    impl serde::ser::Serialize for State {
        fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
        where
            S: serde::Serializer,
        {
            match self {
                Self::Unspecified => serializer.serialize_i32(0),
                Self::New => serializer.serialize_i32(1),
                Self::InProgressGoogleSupport => serializer.serialize_i32(2),
                Self::ActionRequired => serializer.serialize_i32(3),
                Self::SolutionProvided => serializer.serialize_i32(4),
                Self::Closed => serializer.serialize_i32(5),
                Self::UnknownValue(u) => u.0.serialize(serializer),
            }
        }
    }

    impl<'de> serde::de::Deserialize<'de> for State {
        fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
        where
            D: serde::Deserializer<'de>,
        {
            deserializer.deserialize_any(wkt::internal::EnumVisitor::<State>::new(
                ".google.cloud.support.v2.Case.State",
            ))
        }
    }

    /// The case Priority. P0 is most urgent and P4 the least.
    ///
    /// # Working with unknown values
    ///
    /// This enum is defined as `#[non_exhaustive]` because Google Cloud may add
    /// additional enum variants at any time. Adding new variants is not considered
    /// a breaking change. Applications should write their code in anticipation of:
    ///
    /// - New values appearing in future releases of the client library, **and**
    /// - New values received dynamically, without application changes.
    ///
    /// Please consult the [Working with enums] section in the user guide for some
    /// guidelines.
    ///
    /// [Working with enums]: https://google-cloud-rust.github.io/working_with_enums.html
    #[derive(Clone, Debug, PartialEq)]
    #[non_exhaustive]
    pub enum Priority {
        /// Priority is undefined or has not been set yet.
        Unspecified,
        /// Extreme impact on a production service. Service is hard down.
        P0,
        /// Critical impact on a production service. Service is currently unusable.
        P1,
        /// Severe impact on a production service. Service is usable but greatly
        /// impaired.
        P2,
        /// Medium impact on a production service.  Service is available, but
        /// moderately impaired.
        P3,
        /// General questions or minor issues.  Production service is fully
        /// available.
        P4,
        /// If set, the enum was initialized with an unknown value.
        ///
        /// Applications can examine the value using [Priority::value] or
        /// [Priority::name].
        UnknownValue(priority::UnknownValue),
    }

    #[doc(hidden)]
    pub mod priority {
        #[allow(unused_imports)]
        use super::*;
        #[derive(Clone, Debug, PartialEq)]
        pub struct UnknownValue(pub(crate) wkt::internal::UnknownEnumValue);
    }

    impl Priority {
        /// Gets the enum value.
        ///
        /// Returns `None` if the enum contains an unknown value deserialized from
        /// the string representation of enums.
        pub fn value(&self) -> std::option::Option<i32> {
            match self {
                Self::Unspecified => std::option::Option::Some(0),
                Self::P0 => std::option::Option::Some(1),
                Self::P1 => std::option::Option::Some(2),
                Self::P2 => std::option::Option::Some(3),
                Self::P3 => std::option::Option::Some(4),
                Self::P4 => std::option::Option::Some(5),
                Self::UnknownValue(u) => u.0.value(),
            }
        }

        /// Gets the enum value as a string.
        ///
        /// Returns `None` if the enum contains an unknown value deserialized from
        /// the integer representation of enums.
        pub fn name(&self) -> std::option::Option<&str> {
            match self {
                Self::Unspecified => std::option::Option::Some("PRIORITY_UNSPECIFIED"),
                Self::P0 => std::option::Option::Some("P0"),
                Self::P1 => std::option::Option::Some("P1"),
                Self::P2 => std::option::Option::Some("P2"),
                Self::P3 => std::option::Option::Some("P3"),
                Self::P4 => std::option::Option::Some("P4"),
                Self::UnknownValue(u) => u.0.name(),
            }
        }
    }

    impl std::default::Default for Priority {
        fn default() -> Self {
            use std::convert::From;
            Self::from(0)
        }
    }

    impl std::fmt::Display for Priority {
        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
            wkt::internal::display_enum(f, self.name(), self.value())
        }
    }

    impl std::convert::From<i32> for Priority {
        fn from(value: i32) -> Self {
            match value {
                0 => Self::Unspecified,
                1 => Self::P0,
                2 => Self::P1,
                3 => Self::P2,
                4 => Self::P3,
                5 => Self::P4,
                _ => Self::UnknownValue(priority::UnknownValue(
                    wkt::internal::UnknownEnumValue::Integer(value),
                )),
            }
        }
    }

    impl std::convert::From<&str> for Priority {
        fn from(value: &str) -> Self {
            use std::string::ToString;
            match value {
                "PRIORITY_UNSPECIFIED" => Self::Unspecified,
                "P0" => Self::P0,
                "P1" => Self::P1,
                "P2" => Self::P2,
                "P3" => Self::P3,
                "P4" => Self::P4,
                _ => Self::UnknownValue(priority::UnknownValue(
                    wkt::internal::UnknownEnumValue::String(value.to_string()),
                )),
            }
        }
    }

    impl serde::ser::Serialize for Priority {
        fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
        where
            S: serde::Serializer,
        {
            match self {
                Self::Unspecified => serializer.serialize_i32(0),
                Self::P0 => serializer.serialize_i32(1),
                Self::P1 => serializer.serialize_i32(2),
                Self::P2 => serializer.serialize_i32(3),
                Self::P3 => serializer.serialize_i32(4),
                Self::P4 => serializer.serialize_i32(5),
                Self::UnknownValue(u) => u.0.serialize(serializer),
            }
        }
    }

    impl<'de> serde::de::Deserialize<'de> for Priority {
        fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
        where
            D: serde::Deserializer<'de>,
        {
            deserializer.deserialize_any(wkt::internal::EnumVisitor::<Priority>::new(
                ".google.cloud.support.v2.Case.Priority",
            ))
        }
    }
}

/// A Case Classification represents the topic that a case is about. It's very
/// important to use accurate classifications, because they're
/// used to route your cases to specialists who can help you.
///
/// A classification always has an ID that is its unique identifier.
/// A valid ID is required when creating a case.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct CaseClassification {
    /// The unique ID for a classification. Must be specified for case creation.
    ///
    /// To retrieve valid classification IDs for case creation, use
    /// `caseClassifications.search`.
    ///
    /// Classification IDs returned by `caseClassifications.search` are guaranteed
    /// to be valid for at least 6 months. If a given classification is
    /// deactiveated, it will immediately stop being returned. After 6 months,
    /// `case.create` requests using the classification ID will fail.
    pub id: std::string::String,

    /// A display name for the classification.
    ///
    /// The display name is not static and can change. To uniquely and consistently
    /// identify classifications, use the `CaseClassification.id` field.
    pub display_name: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl CaseClassification {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [id][crate::model::CaseClassification::id].
    pub fn set_id<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.id = v.into();
        self
    }

    /// Sets the value of [display_name][crate::model::CaseClassification::display_name].
    pub fn set_display_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.display_name = v.into();
        self
    }
}

impl wkt::message::Message for CaseClassification {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.CaseClassification"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for CaseClassification {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __id,
            __display_name,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for CaseClassification")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "id" => Ok(__FieldTag::__id),
                            "displayName" => Ok(__FieldTag::__display_name),
                            "display_name" => Ok(__FieldTag::__display_name),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = CaseClassification;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct CaseClassification")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__id => {
                            if !fields.insert(__FieldTag::__id) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for id",
                                ));
                            }
                            result.id = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__display_name => {
                            if !fields.insert(__FieldTag::__display_name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for display_name",
                                ));
                            }
                            result.display_name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for CaseClassification {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.id.is_empty() {
            state.serialize_entry("id", &self.id)?;
        }
        if !self.display_name.is_empty() {
            state.serialize_entry("displayName", &self.display_name)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for CaseClassification {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("CaseClassification");
        debug_struct.field("id", &self.id);
        debug_struct.field("display_name", &self.display_name);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the GetCase endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct GetCaseRequest {
    /// Required. The full name of a case to be retrieved.
    pub name: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl GetCaseRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [name][crate::model::GetCaseRequest::name].
    pub fn set_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.name = v.into();
        self
    }
}

impl wkt::message::Message for GetCaseRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.GetCaseRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for GetCaseRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __name,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for GetCaseRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "name" => Ok(__FieldTag::__name),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = GetCaseRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct GetCaseRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__name => {
                            if !fields.insert(__FieldTag::__name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for name",
                                ));
                            }
                            result.name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for GetCaseRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for GetCaseRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("GetCaseRequest");
        debug_struct.field("name", &self.name);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the CreateCase endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct CreateCaseRequest {
    /// Required. The name of the parent under which the case should be created.
    pub parent: std::string::String,

    /// Required. The case to be created.
    pub case: std::option::Option<crate::model::Case>,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl CreateCaseRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [parent][crate::model::CreateCaseRequest::parent].
    pub fn set_parent<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.parent = v.into();
        self
    }

    /// Sets the value of [case][crate::model::CreateCaseRequest::case].
    pub fn set_case<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::Case>,
    {
        self.case = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [case][crate::model::CreateCaseRequest::case].
    pub fn set_or_clear_case<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::Case>,
    {
        self.case = v.map(|x| x.into());
        self
    }
}

impl wkt::message::Message for CreateCaseRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.CreateCaseRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for CreateCaseRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __parent,
            __case,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for CreateCaseRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "parent" => Ok(__FieldTag::__parent),
                            "case" => Ok(__FieldTag::__case),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = CreateCaseRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct CreateCaseRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__parent => {
                            if !fields.insert(__FieldTag::__parent) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for parent",
                                ));
                            }
                            result.parent = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__case => {
                            if !fields.insert(__FieldTag::__case) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for case",
                                ));
                            }
                            result.case =
                                map.next_value::<std::option::Option<crate::model::Case>>()?;
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for CreateCaseRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if self.case.is_some() {
            state.serialize_entry("case", &self.case)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for CreateCaseRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("CreateCaseRequest");
        debug_struct.field("parent", &self.parent);
        debug_struct.field("case", &self.case);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the ListCases endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct ListCasesRequest {
    /// Required. The name of a parent to list cases under.
    pub parent: std::string::String,

    /// An expression used to filter cases.
    ///
    /// If it's an empty string, then no filtering happens. Otherwise, the endpoint
    /// returns the cases that match the filter.
    ///
    /// Expressions use the following fields separated by `AND` and specified with
    /// `=`:
    ///
    /// - `state`: Can be `OPEN` or `CLOSED`.
    /// - `priority`: Can be `P0`, `P1`, `P2`, `P3`, or `P4`. You
    ///   can specify multiple values for priority using the `OR` operator. For
    ///   example, `priority=P1 OR priority=P2`.
    /// - `creator.email`: The email address of the case creator.
    ///
    /// EXAMPLES:
    ///
    /// - `state=CLOSED`
    /// - `state=OPEN AND creator.email="tester@example.com"`
    /// - `state=OPEN AND (priority=P0 OR priority=P1)`
    pub filter: std::string::String,

    /// The maximum number of cases fetched with each request. Defaults to 10.
    pub page_size: i32,

    /// A token identifying the page of results to return. If unspecified, the
    /// first page is retrieved.
    pub page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl ListCasesRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [parent][crate::model::ListCasesRequest::parent].
    pub fn set_parent<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.parent = v.into();
        self
    }

    /// Sets the value of [filter][crate::model::ListCasesRequest::filter].
    pub fn set_filter<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.filter = v.into();
        self
    }

    /// Sets the value of [page_size][crate::model::ListCasesRequest::page_size].
    pub fn set_page_size<T: std::convert::Into<i32>>(mut self, v: T) -> Self {
        self.page_size = v.into();
        self
    }

    /// Sets the value of [page_token][crate::model::ListCasesRequest::page_token].
    pub fn set_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.page_token = v.into();
        self
    }
}

impl wkt::message::Message for ListCasesRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.ListCasesRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for ListCasesRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __parent,
            __filter,
            __page_size,
            __page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for ListCasesRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "parent" => Ok(__FieldTag::__parent),
                            "filter" => Ok(__FieldTag::__filter),
                            "pageSize" => Ok(__FieldTag::__page_size),
                            "page_size" => Ok(__FieldTag::__page_size),
                            "pageToken" => Ok(__FieldTag::__page_token),
                            "page_token" => Ok(__FieldTag::__page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = ListCasesRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct ListCasesRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__parent => {
                            if !fields.insert(__FieldTag::__parent) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for parent",
                                ));
                            }
                            result.parent = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__filter => {
                            if !fields.insert(__FieldTag::__filter) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for filter",
                                ));
                            }
                            result.filter = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__page_size => {
                            if !fields.insert(__FieldTag::__page_size) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_size",
                                ));
                            }
                            struct __With(std::option::Option<i32>);
                            impl<'de> serde::de::Deserialize<'de> for __With {
                                fn deserialize<D>(
                                    deserializer: D,
                                ) -> std::result::Result<Self, D::Error>
                                where
                                    D: serde::de::Deserializer<'de>,
                                {
                                    serde_with::As::< std::option::Option<wkt::internal::I32> >::deserialize(deserializer).map(__With)
                                }
                            }
                            result.page_size = map.next_value::<__With>()?.0.unwrap_or_default();
                        }
                        __FieldTag::__page_token => {
                            if !fields.insert(__FieldTag::__page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_token",
                                ));
                            }
                            result.page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for ListCasesRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if !self.filter.is_empty() {
            state.serialize_entry("filter", &self.filter)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for ListCasesRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("ListCasesRequest");
        debug_struct.field("parent", &self.parent);
        debug_struct.field("filter", &self.filter);
        debug_struct.field("page_size", &self.page_size);
        debug_struct.field("page_token", &self.page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The response message for the ListCases endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct ListCasesResponse {
    /// The list of cases associated with the parent after any
    /// filters have been applied.
    pub cases: std::vec::Vec<crate::model::Case>,

    /// A token to retrieve the next page of results. Set this in the `page_token`
    /// field of subsequent `cases.list` requests. If unspecified, there are no
    /// more results to retrieve.
    pub next_page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl ListCasesResponse {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [cases][crate::model::ListCasesResponse::cases].
    pub fn set_cases<T, V>(mut self, v: T) -> Self
    where
        T: std::iter::IntoIterator<Item = V>,
        V: std::convert::Into<crate::model::Case>,
    {
        use std::iter::Iterator;
        self.cases = v.into_iter().map(|i| i.into()).collect();
        self
    }

    /// Sets the value of [next_page_token][crate::model::ListCasesResponse::next_page_token].
    pub fn set_next_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.next_page_token = v.into();
        self
    }
}

impl wkt::message::Message for ListCasesResponse {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.ListCasesResponse"
    }
}

#[doc(hidden)]
impl gax::paginator::internal::PageableResponse for ListCasesResponse {
    type PageItem = crate::model::Case;

    fn items(self) -> std::vec::Vec<Self::PageItem> {
        self.cases
    }

    fn next_page_token(&self) -> std::string::String {
        use std::clone::Clone;
        self.next_page_token.clone()
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for ListCasesResponse {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __cases,
            __next_page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for ListCasesResponse")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "cases" => Ok(__FieldTag::__cases),
                            "nextPageToken" => Ok(__FieldTag::__next_page_token),
                            "next_page_token" => Ok(__FieldTag::__next_page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = ListCasesResponse;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct ListCasesResponse")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__cases => {
                            if !fields.insert(__FieldTag::__cases) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for cases",
                                ));
                            }
                            result.cases = map.next_value::<std::option::Option<std::vec::Vec<crate::model::Case>>>()?.unwrap_or_default();
                        }
                        __FieldTag::__next_page_token => {
                            if !fields.insert(__FieldTag::__next_page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for next_page_token",
                                ));
                            }
                            result.next_page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for ListCasesResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.cases.is_empty() {
            state.serialize_entry("cases", &self.cases)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for ListCasesResponse {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("ListCasesResponse");
        debug_struct.field("cases", &self.cases);
        debug_struct.field("next_page_token", &self.next_page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the SearchCases endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct SearchCasesRequest {
    /// The name of the parent resource to search for cases under.
    pub parent: std::string::String,

    /// An expression used to filter cases.
    ///
    /// Expressions use the following fields separated by `AND` and specified with
    /// `=`:
    ///
    /// - `organization`: An organization name in the form
    ///   `organizations/<organization_id>`.
    /// - `project`: A project name in the form `projects/<project_id>`.
    /// - `state`: Can be `OPEN` or `CLOSED`.
    /// - `priority`: Can be `P0`, `P1`, `P2`, `P3`, or `P4`. You
    ///   can specify multiple values for priority using the `OR` operator. For
    ///   example, `priority=P1 OR priority=P2`.
    /// - `creator.email`: The email address of the case creator.
    ///
    /// You must specify either `organization` or `project`.
    ///
    /// To search across `displayName`, `description`, and comments, use a global
    /// restriction with no keyword or operator. For example, `"my search"`.
    ///
    /// To search only cases updated after a certain date, use `update_time`
    /// restricted with that particular date, time, and timezone in ISO datetime
    /// format. For example, `update_time>"2020-01-01T00:00:00-05:00"`.
    /// `update_time` only supports the greater than operator (`>`).
    ///
    /// Examples:
    ///
    /// - `organization="organizations/123456789"`
    /// - `project="projects/my-project-id"`
    /// - `project="projects/123456789"`
    /// - `organization="organizations/123456789" AND state=CLOSED`
    /// - `project="projects/my-project-id" AND creator.email="tester@example.com"`
    /// - `project="projects/my-project-id" AND (priority=P0 OR priority=P1)`
    pub query: std::string::String,

    /// The maximum number of cases fetched with each request. The default page
    /// size is 10.
    pub page_size: i32,

    /// A token identifying the page of results to return. If unspecified, the
    /// first page is retrieved.
    pub page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl SearchCasesRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [parent][crate::model::SearchCasesRequest::parent].
    pub fn set_parent<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.parent = v.into();
        self
    }

    /// Sets the value of [query][crate::model::SearchCasesRequest::query].
    pub fn set_query<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.query = v.into();
        self
    }

    /// Sets the value of [page_size][crate::model::SearchCasesRequest::page_size].
    pub fn set_page_size<T: std::convert::Into<i32>>(mut self, v: T) -> Self {
        self.page_size = v.into();
        self
    }

    /// Sets the value of [page_token][crate::model::SearchCasesRequest::page_token].
    pub fn set_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.page_token = v.into();
        self
    }
}

impl wkt::message::Message for SearchCasesRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.SearchCasesRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for SearchCasesRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __parent,
            __query,
            __page_size,
            __page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for SearchCasesRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "parent" => Ok(__FieldTag::__parent),
                            "query" => Ok(__FieldTag::__query),
                            "pageSize" => Ok(__FieldTag::__page_size),
                            "page_size" => Ok(__FieldTag::__page_size),
                            "pageToken" => Ok(__FieldTag::__page_token),
                            "page_token" => Ok(__FieldTag::__page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = SearchCasesRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct SearchCasesRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__parent => {
                            if !fields.insert(__FieldTag::__parent) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for parent",
                                ));
                            }
                            result.parent = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__query => {
                            if !fields.insert(__FieldTag::__query) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for query",
                                ));
                            }
                            result.query = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__page_size => {
                            if !fields.insert(__FieldTag::__page_size) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_size",
                                ));
                            }
                            struct __With(std::option::Option<i32>);
                            impl<'de> serde::de::Deserialize<'de> for __With {
                                fn deserialize<D>(
                                    deserializer: D,
                                ) -> std::result::Result<Self, D::Error>
                                where
                                    D: serde::de::Deserializer<'de>,
                                {
                                    serde_with::As::< std::option::Option<wkt::internal::I32> >::deserialize(deserializer).map(__With)
                                }
                            }
                            result.page_size = map.next_value::<__With>()?.0.unwrap_or_default();
                        }
                        __FieldTag::__page_token => {
                            if !fields.insert(__FieldTag::__page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_token",
                                ));
                            }
                            result.page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for SearchCasesRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if !self.query.is_empty() {
            state.serialize_entry("query", &self.query)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for SearchCasesRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("SearchCasesRequest");
        debug_struct.field("parent", &self.parent);
        debug_struct.field("query", &self.query);
        debug_struct.field("page_size", &self.page_size);
        debug_struct.field("page_token", &self.page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The response message for the SearchCases endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct SearchCasesResponse {
    /// The list of cases associated with the parent after any
    /// filters have been applied.
    pub cases: std::vec::Vec<crate::model::Case>,

    /// A token to retrieve the next page of results. Set this in the
    /// `page_token` field of subsequent `cases.search` requests. If unspecified,
    /// there are no more results to retrieve.
    pub next_page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl SearchCasesResponse {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [cases][crate::model::SearchCasesResponse::cases].
    pub fn set_cases<T, V>(mut self, v: T) -> Self
    where
        T: std::iter::IntoIterator<Item = V>,
        V: std::convert::Into<crate::model::Case>,
    {
        use std::iter::Iterator;
        self.cases = v.into_iter().map(|i| i.into()).collect();
        self
    }

    /// Sets the value of [next_page_token][crate::model::SearchCasesResponse::next_page_token].
    pub fn set_next_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.next_page_token = v.into();
        self
    }
}

impl wkt::message::Message for SearchCasesResponse {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.SearchCasesResponse"
    }
}

#[doc(hidden)]
impl gax::paginator::internal::PageableResponse for SearchCasesResponse {
    type PageItem = crate::model::Case;

    fn items(self) -> std::vec::Vec<Self::PageItem> {
        self.cases
    }

    fn next_page_token(&self) -> std::string::String {
        use std::clone::Clone;
        self.next_page_token.clone()
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for SearchCasesResponse {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __cases,
            __next_page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for SearchCasesResponse")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "cases" => Ok(__FieldTag::__cases),
                            "nextPageToken" => Ok(__FieldTag::__next_page_token),
                            "next_page_token" => Ok(__FieldTag::__next_page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = SearchCasesResponse;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct SearchCasesResponse")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__cases => {
                            if !fields.insert(__FieldTag::__cases) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for cases",
                                ));
                            }
                            result.cases = map.next_value::<std::option::Option<std::vec::Vec<crate::model::Case>>>()?.unwrap_or_default();
                        }
                        __FieldTag::__next_page_token => {
                            if !fields.insert(__FieldTag::__next_page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for next_page_token",
                                ));
                            }
                            result.next_page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for SearchCasesResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.cases.is_empty() {
            state.serialize_entry("cases", &self.cases)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for SearchCasesResponse {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("SearchCasesResponse");
        debug_struct.field("cases", &self.cases);
        debug_struct.field("next_page_token", &self.next_page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the EscalateCase endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct EscalateCaseRequest {
    /// Required. The name of the case to be escalated.
    pub name: std::string::String,

    /// The escalation information to be sent with the escalation request.
    pub escalation: std::option::Option<crate::model::Escalation>,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl EscalateCaseRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [name][crate::model::EscalateCaseRequest::name].
    pub fn set_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.name = v.into();
        self
    }

    /// Sets the value of [escalation][crate::model::EscalateCaseRequest::escalation].
    pub fn set_escalation<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::Escalation>,
    {
        self.escalation = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [escalation][crate::model::EscalateCaseRequest::escalation].
    pub fn set_or_clear_escalation<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::Escalation>,
    {
        self.escalation = v.map(|x| x.into());
        self
    }
}

impl wkt::message::Message for EscalateCaseRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.EscalateCaseRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for EscalateCaseRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __name,
            __escalation,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for EscalateCaseRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "name" => Ok(__FieldTag::__name),
                            "escalation" => Ok(__FieldTag::__escalation),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = EscalateCaseRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct EscalateCaseRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__name => {
                            if !fields.insert(__FieldTag::__name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for name",
                                ));
                            }
                            result.name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__escalation => {
                            if !fields.insert(__FieldTag::__escalation) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for escalation",
                                ));
                            }
                            result.escalation =
                                map.next_value::<std::option::Option<crate::model::Escalation>>()?;
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for EscalateCaseRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if self.escalation.is_some() {
            state.serialize_entry("escalation", &self.escalation)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for EscalateCaseRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("EscalateCaseRequest");
        debug_struct.field("name", &self.name);
        debug_struct.field("escalation", &self.escalation);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the UpdateCase endpoint
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct UpdateCaseRequest {
    /// Required. The case to update.
    pub case: std::option::Option<crate::model::Case>,

    /// A list of attributes of the case that should be updated. Supported values
    /// are `priority`, `display_name`, and `subscriber_email_addresses`. If no
    /// fields are specified, all supported fields are updated.
    ///
    /// Be careful - if you do not provide a field mask, then you might
    /// accidentally clear some fields. For example, if you leave the field mask
    /// empty and do not provide a value for `subscriber_email_addresses`, then
    /// `subscriber_email_addresses` is updated to empty.
    pub update_mask: std::option::Option<wkt::FieldMask>,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl UpdateCaseRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [case][crate::model::UpdateCaseRequest::case].
    pub fn set_case<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::Case>,
    {
        self.case = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [case][crate::model::UpdateCaseRequest::case].
    pub fn set_or_clear_case<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::Case>,
    {
        self.case = v.map(|x| x.into());
        self
    }

    /// Sets the value of [update_mask][crate::model::UpdateCaseRequest::update_mask].
    pub fn set_update_mask<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<wkt::FieldMask>,
    {
        self.update_mask = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [update_mask][crate::model::UpdateCaseRequest::update_mask].
    pub fn set_or_clear_update_mask<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<wkt::FieldMask>,
    {
        self.update_mask = v.map(|x| x.into());
        self
    }
}

impl wkt::message::Message for UpdateCaseRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.UpdateCaseRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for UpdateCaseRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __case,
            __update_mask,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for UpdateCaseRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "case" => Ok(__FieldTag::__case),
                            "updateMask" => Ok(__FieldTag::__update_mask),
                            "update_mask" => Ok(__FieldTag::__update_mask),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = UpdateCaseRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct UpdateCaseRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__case => {
                            if !fields.insert(__FieldTag::__case) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for case",
                                ));
                            }
                            result.case =
                                map.next_value::<std::option::Option<crate::model::Case>>()?;
                        }
                        __FieldTag::__update_mask => {
                            if !fields.insert(__FieldTag::__update_mask) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for update_mask",
                                ));
                            }
                            result.update_mask =
                                map.next_value::<std::option::Option<wkt::FieldMask>>()?;
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for UpdateCaseRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if self.case.is_some() {
            state.serialize_entry("case", &self.case)?;
        }
        if self.update_mask.is_some() {
            state.serialize_entry("updateMask", &self.update_mask)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for UpdateCaseRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("UpdateCaseRequest");
        debug_struct.field("case", &self.case);
        debug_struct.field("update_mask", &self.update_mask);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the CloseCase endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct CloseCaseRequest {
    /// Required. The name of the case to close.
    pub name: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl CloseCaseRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [name][crate::model::CloseCaseRequest::name].
    pub fn set_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.name = v.into();
        self
    }
}

impl wkt::message::Message for CloseCaseRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.CloseCaseRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for CloseCaseRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __name,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for CloseCaseRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "name" => Ok(__FieldTag::__name),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = CloseCaseRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct CloseCaseRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__name => {
                            if !fields.insert(__FieldTag::__name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for name",
                                ));
                            }
                            result.name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for CloseCaseRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for CloseCaseRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("CloseCaseRequest");
        debug_struct.field("name", &self.name);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the SearchCaseClassifications endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct SearchCaseClassificationsRequest {
    /// An expression used to filter case classifications.
    ///
    /// If it's an empty string, then no filtering happens. Otherwise, case
    /// classifications will be returned that match the filter.
    pub query: std::string::String,

    /// The maximum number of classifications fetched with each request.
    pub page_size: i32,

    /// A token identifying the page of results to return. If unspecified, the
    /// first page is retrieved.
    pub page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl SearchCaseClassificationsRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [query][crate::model::SearchCaseClassificationsRequest::query].
    pub fn set_query<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.query = v.into();
        self
    }

    /// Sets the value of [page_size][crate::model::SearchCaseClassificationsRequest::page_size].
    pub fn set_page_size<T: std::convert::Into<i32>>(mut self, v: T) -> Self {
        self.page_size = v.into();
        self
    }

    /// Sets the value of [page_token][crate::model::SearchCaseClassificationsRequest::page_token].
    pub fn set_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.page_token = v.into();
        self
    }
}

impl wkt::message::Message for SearchCaseClassificationsRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.SearchCaseClassificationsRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for SearchCaseClassificationsRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __query,
            __page_size,
            __page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for SearchCaseClassificationsRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "query" => Ok(__FieldTag::__query),
                            "pageSize" => Ok(__FieldTag::__page_size),
                            "page_size" => Ok(__FieldTag::__page_size),
                            "pageToken" => Ok(__FieldTag::__page_token),
                            "page_token" => Ok(__FieldTag::__page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = SearchCaseClassificationsRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct SearchCaseClassificationsRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__query => {
                            if !fields.insert(__FieldTag::__query) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for query",
                                ));
                            }
                            result.query = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__page_size => {
                            if !fields.insert(__FieldTag::__page_size) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_size",
                                ));
                            }
                            struct __With(std::option::Option<i32>);
                            impl<'de> serde::de::Deserialize<'de> for __With {
                                fn deserialize<D>(
                                    deserializer: D,
                                ) -> std::result::Result<Self, D::Error>
                                where
                                    D: serde::de::Deserializer<'de>,
                                {
                                    serde_with::As::< std::option::Option<wkt::internal::I32> >::deserialize(deserializer).map(__With)
                                }
                            }
                            result.page_size = map.next_value::<__With>()?.0.unwrap_or_default();
                        }
                        __FieldTag::__page_token => {
                            if !fields.insert(__FieldTag::__page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_token",
                                ));
                            }
                            result.page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for SearchCaseClassificationsRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.query.is_empty() {
            state.serialize_entry("query", &self.query)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for SearchCaseClassificationsRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("SearchCaseClassificationsRequest");
        debug_struct.field("query", &self.query);
        debug_struct.field("page_size", &self.page_size);
        debug_struct.field("page_token", &self.page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The response message for SearchCaseClassifications endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct SearchCaseClassificationsResponse {
    /// The classifications retrieved.
    pub case_classifications: std::vec::Vec<crate::model::CaseClassification>,

    /// A token to retrieve the next page of results. Set this in the `page_token`
    /// field of subsequent `caseClassifications.list` requests. If unspecified,
    /// there are no more results to retrieve.
    pub next_page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl SearchCaseClassificationsResponse {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [case_classifications][crate::model::SearchCaseClassificationsResponse::case_classifications].
    pub fn set_case_classifications<T, V>(mut self, v: T) -> Self
    where
        T: std::iter::IntoIterator<Item = V>,
        V: std::convert::Into<crate::model::CaseClassification>,
    {
        use std::iter::Iterator;
        self.case_classifications = v.into_iter().map(|i| i.into()).collect();
        self
    }

    /// Sets the value of [next_page_token][crate::model::SearchCaseClassificationsResponse::next_page_token].
    pub fn set_next_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.next_page_token = v.into();
        self
    }
}

impl wkt::message::Message for SearchCaseClassificationsResponse {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.SearchCaseClassificationsResponse"
    }
}

#[doc(hidden)]
impl gax::paginator::internal::PageableResponse for SearchCaseClassificationsResponse {
    type PageItem = crate::model::CaseClassification;

    fn items(self) -> std::vec::Vec<Self::PageItem> {
        self.case_classifications
    }

    fn next_page_token(&self) -> std::string::String {
        use std::clone::Clone;
        self.next_page_token.clone()
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for SearchCaseClassificationsResponse {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __case_classifications,
            __next_page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for SearchCaseClassificationsResponse")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "caseClassifications" => Ok(__FieldTag::__case_classifications),
                            "case_classifications" => Ok(__FieldTag::__case_classifications),
                            "nextPageToken" => Ok(__FieldTag::__next_page_token),
                            "next_page_token" => Ok(__FieldTag::__next_page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = SearchCaseClassificationsResponse;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct SearchCaseClassificationsResponse")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__case_classifications => {
                            if !fields.insert(__FieldTag::__case_classifications) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for case_classifications",
                                ));
                            }
                            result.case_classifications = map
                                .next_value::<std::option::Option<
                                    std::vec::Vec<crate::model::CaseClassification>,
                                >>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__next_page_token => {
                            if !fields.insert(__FieldTag::__next_page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for next_page_token",
                                ));
                            }
                            result.next_page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for SearchCaseClassificationsResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.case_classifications.is_empty() {
            state.serialize_entry("caseClassifications", &self.case_classifications)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for SearchCaseClassificationsResponse {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("SearchCaseClassificationsResponse");
        debug_struct.field("case_classifications", &self.case_classifications);
        debug_struct.field("next_page_token", &self.next_page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// A comment associated with a support case.
///
/// Case comments are the primary way for Google Support to communicate with a
/// user who has opened a case. When a user responds to Google Support, the
/// user's responses also appear as comments.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct Comment {
    /// Output only. Identifier. The resource name of the comment.
    pub name: std::string::String,

    /// Output only. The time when the comment was created.
    pub create_time: std::option::Option<wkt::Timestamp>,

    /// Output only. The user or Google Support agent who created the comment.
    pub creator: std::option::Option<crate::model::Actor>,

    /// The full comment body.
    ///
    /// Maximum of 12800 characters.
    pub body: std::string::String,

    /// Output only. DEPRECATED. DO NOT USE.
    ///
    /// A duplicate of the `body` field.
    ///
    /// This field is only present for legacy reasons.
    #[deprecated]
    pub plain_text_body: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl Comment {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [name][crate::model::Comment::name].
    pub fn set_name<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.name = v.into();
        self
    }

    /// Sets the value of [create_time][crate::model::Comment::create_time].
    pub fn set_create_time<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.create_time = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [create_time][crate::model::Comment::create_time].
    pub fn set_or_clear_create_time<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<wkt::Timestamp>,
    {
        self.create_time = v.map(|x| x.into());
        self
    }

    /// Sets the value of [creator][crate::model::Comment::creator].
    pub fn set_creator<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::Actor>,
    {
        self.creator = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [creator][crate::model::Comment::creator].
    pub fn set_or_clear_creator<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::Actor>,
    {
        self.creator = v.map(|x| x.into());
        self
    }

    /// Sets the value of [body][crate::model::Comment::body].
    pub fn set_body<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.body = v.into();
        self
    }

    /// Sets the value of [plain_text_body][crate::model::Comment::plain_text_body].
    #[deprecated]
    pub fn set_plain_text_body<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.plain_text_body = v.into();
        self
    }
}

impl wkt::message::Message for Comment {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.Comment"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for Comment {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __name,
            __create_time,
            __creator,
            __body,
            __plain_text_body,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for Comment")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "name" => Ok(__FieldTag::__name),
                            "createTime" => Ok(__FieldTag::__create_time),
                            "create_time" => Ok(__FieldTag::__create_time),
                            "creator" => Ok(__FieldTag::__creator),
                            "body" => Ok(__FieldTag::__body),
                            "plainTextBody" => Ok(__FieldTag::__plain_text_body),
                            "plain_text_body" => Ok(__FieldTag::__plain_text_body),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = Comment;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct Comment")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__name => {
                            if !fields.insert(__FieldTag::__name) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for name",
                                ));
                            }
                            result.name = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__create_time => {
                            if !fields.insert(__FieldTag::__create_time) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for create_time",
                                ));
                            }
                            result.create_time =
                                map.next_value::<std::option::Option<wkt::Timestamp>>()?;
                        }
                        __FieldTag::__creator => {
                            if !fields.insert(__FieldTag::__creator) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for creator",
                                ));
                            }
                            result.creator =
                                map.next_value::<std::option::Option<crate::model::Actor>>()?;
                        }
                        __FieldTag::__body => {
                            if !fields.insert(__FieldTag::__body) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for body",
                                ));
                            }
                            result.body = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__plain_text_body => {
                            if !fields.insert(__FieldTag::__plain_text_body) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for plain_text_body",
                                ));
                            }
                            result.plain_text_body = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for Comment {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.name.is_empty() {
            state.serialize_entry("name", &self.name)?;
        }
        if self.create_time.is_some() {
            state.serialize_entry("createTime", &self.create_time)?;
        }
        if self.creator.is_some() {
            state.serialize_entry("creator", &self.creator)?;
        }
        if !self.body.is_empty() {
            state.serialize_entry("body", &self.body)?;
        }
        if !self.plain_text_body.is_empty() {
            state.serialize_entry("plainTextBody", &self.plain_text_body)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for Comment {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("Comment");
        debug_struct.field("name", &self.name);
        debug_struct.field("create_time", &self.create_time);
        debug_struct.field("creator", &self.creator);
        debug_struct.field("body", &self.body);
        debug_struct.field("plain_text_body", &self.plain_text_body);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the ListComments endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct ListCommentsRequest {
    /// Required. The name of the case for which to list comments.
    pub parent: std::string::String,

    /// The maximum number of comments to fetch. Defaults to 10.
    pub page_size: i32,

    /// A token identifying the page of results to return. If unspecified, the
    /// first page is returned.
    pub page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl ListCommentsRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [parent][crate::model::ListCommentsRequest::parent].
    pub fn set_parent<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.parent = v.into();
        self
    }

    /// Sets the value of [page_size][crate::model::ListCommentsRequest::page_size].
    pub fn set_page_size<T: std::convert::Into<i32>>(mut self, v: T) -> Self {
        self.page_size = v.into();
        self
    }

    /// Sets the value of [page_token][crate::model::ListCommentsRequest::page_token].
    pub fn set_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.page_token = v.into();
        self
    }
}

impl wkt::message::Message for ListCommentsRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.ListCommentsRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for ListCommentsRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __parent,
            __page_size,
            __page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for ListCommentsRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "parent" => Ok(__FieldTag::__parent),
                            "pageSize" => Ok(__FieldTag::__page_size),
                            "page_size" => Ok(__FieldTag::__page_size),
                            "pageToken" => Ok(__FieldTag::__page_token),
                            "page_token" => Ok(__FieldTag::__page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = ListCommentsRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct ListCommentsRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__parent => {
                            if !fields.insert(__FieldTag::__parent) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for parent",
                                ));
                            }
                            result.parent = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__page_size => {
                            if !fields.insert(__FieldTag::__page_size) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_size",
                                ));
                            }
                            struct __With(std::option::Option<i32>);
                            impl<'de> serde::de::Deserialize<'de> for __With {
                                fn deserialize<D>(
                                    deserializer: D,
                                ) -> std::result::Result<Self, D::Error>
                                where
                                    D: serde::de::Deserializer<'de>,
                                {
                                    serde_with::As::< std::option::Option<wkt::internal::I32> >::deserialize(deserializer).map(__With)
                                }
                            }
                            result.page_size = map.next_value::<__With>()?.0.unwrap_or_default();
                        }
                        __FieldTag::__page_token => {
                            if !fields.insert(__FieldTag::__page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for page_token",
                                ));
                            }
                            result.page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for ListCommentsRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if !wkt::internal::is_default(&self.page_size) {
            struct __With<'a>(&'a i32);
            impl<'a> serde::ser::Serialize for __With<'a> {
                fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
                where
                    S: serde::ser::Serializer,
                {
                    serde_with::As::<wkt::internal::I32>::serialize(self.0, serializer)
                }
            }
            state.serialize_entry("pageSize", &__With(&self.page_size))?;
        }
        if !self.page_token.is_empty() {
            state.serialize_entry("pageToken", &self.page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for ListCommentsRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("ListCommentsRequest");
        debug_struct.field("parent", &self.parent);
        debug_struct.field("page_size", &self.page_size);
        debug_struct.field("page_token", &self.page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The response message for the ListComments endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct ListCommentsResponse {
    /// List of the comments associated with the case.
    pub comments: std::vec::Vec<crate::model::Comment>,

    /// A token to retrieve the next page of results. Set this in the `page_token`
    /// field of subsequent `cases.comments.list` requests. If unspecified, there
    /// are no more results to retrieve.
    pub next_page_token: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl ListCommentsResponse {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [comments][crate::model::ListCommentsResponse::comments].
    pub fn set_comments<T, V>(mut self, v: T) -> Self
    where
        T: std::iter::IntoIterator<Item = V>,
        V: std::convert::Into<crate::model::Comment>,
    {
        use std::iter::Iterator;
        self.comments = v.into_iter().map(|i| i.into()).collect();
        self
    }

    /// Sets the value of [next_page_token][crate::model::ListCommentsResponse::next_page_token].
    pub fn set_next_page_token<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.next_page_token = v.into();
        self
    }
}

impl wkt::message::Message for ListCommentsResponse {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.ListCommentsResponse"
    }
}

#[doc(hidden)]
impl gax::paginator::internal::PageableResponse for ListCommentsResponse {
    type PageItem = crate::model::Comment;

    fn items(self) -> std::vec::Vec<Self::PageItem> {
        self.comments
    }

    fn next_page_token(&self) -> std::string::String {
        use std::clone::Clone;
        self.next_page_token.clone()
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for ListCommentsResponse {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __comments,
            __next_page_token,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for ListCommentsResponse")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "comments" => Ok(__FieldTag::__comments),
                            "nextPageToken" => Ok(__FieldTag::__next_page_token),
                            "next_page_token" => Ok(__FieldTag::__next_page_token),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = ListCommentsResponse;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct ListCommentsResponse")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__comments => {
                            if !fields.insert(__FieldTag::__comments) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for comments",
                                ));
                            }
                            result.comments = map.next_value::<std::option::Option<std::vec::Vec<crate::model::Comment>>>()?.unwrap_or_default();
                        }
                        __FieldTag::__next_page_token => {
                            if !fields.insert(__FieldTag::__next_page_token) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for next_page_token",
                                ));
                            }
                            result.next_page_token = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for ListCommentsResponse {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.comments.is_empty() {
            state.serialize_entry("comments", &self.comments)?;
        }
        if !self.next_page_token.is_empty() {
            state.serialize_entry("nextPageToken", &self.next_page_token)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for ListCommentsResponse {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("ListCommentsResponse");
        debug_struct.field("comments", &self.comments);
        debug_struct.field("next_page_token", &self.next_page_token);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// The request message for the CreateComment endpoint.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct CreateCommentRequest {
    /// Required. The name of the case to which the comment should be added.
    pub parent: std::string::String,

    /// Required. The comment to be added.
    pub comment: std::option::Option<crate::model::Comment>,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl CreateCommentRequest {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [parent][crate::model::CreateCommentRequest::parent].
    pub fn set_parent<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.parent = v.into();
        self
    }

    /// Sets the value of [comment][crate::model::CreateCommentRequest::comment].
    pub fn set_comment<T>(mut self, v: T) -> Self
    where
        T: std::convert::Into<crate::model::Comment>,
    {
        self.comment = std::option::Option::Some(v.into());
        self
    }

    /// Sets or clears the value of [comment][crate::model::CreateCommentRequest::comment].
    pub fn set_or_clear_comment<T>(mut self, v: std::option::Option<T>) -> Self
    where
        T: std::convert::Into<crate::model::Comment>,
    {
        self.comment = v.map(|x| x.into());
        self
    }
}

impl wkt::message::Message for CreateCommentRequest {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.CreateCommentRequest"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for CreateCommentRequest {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __parent,
            __comment,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for CreateCommentRequest")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "parent" => Ok(__FieldTag::__parent),
                            "comment" => Ok(__FieldTag::__comment),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = CreateCommentRequest;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct CreateCommentRequest")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__parent => {
                            if !fields.insert(__FieldTag::__parent) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for parent",
                                ));
                            }
                            result.parent = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::__comment => {
                            if !fields.insert(__FieldTag::__comment) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for comment",
                                ));
                            }
                            result.comment =
                                map.next_value::<std::option::Option<crate::model::Comment>>()?;
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for CreateCommentRequest {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !self.parent.is_empty() {
            state.serialize_entry("parent", &self.parent)?;
        }
        if self.comment.is_some() {
            state.serialize_entry("comment", &self.comment)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for CreateCommentRequest {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("CreateCommentRequest");
        debug_struct.field("parent", &self.parent);
        debug_struct.field("comment", &self.comment);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// An escalation of a support case.
#[derive(Clone, Default, PartialEq)]
#[non_exhaustive]
pub struct Escalation {
    /// Required. The reason why the Case is being escalated.
    pub reason: crate::model::escalation::Reason,

    /// Required. A free text description to accompany the `reason` field above.
    /// Provides additional context on why the case is being escalated.
    pub justification: std::string::String,

    _unknown_fields: serde_json::Map<std::string::String, serde_json::Value>,
}

impl Escalation {
    pub fn new() -> Self {
        std::default::Default::default()
    }

    /// Sets the value of [reason][crate::model::Escalation::reason].
    pub fn set_reason<T: std::convert::Into<crate::model::escalation::Reason>>(
        mut self,
        v: T,
    ) -> Self {
        self.reason = v.into();
        self
    }

    /// Sets the value of [justification][crate::model::Escalation::justification].
    pub fn set_justification<T: std::convert::Into<std::string::String>>(mut self, v: T) -> Self {
        self.justification = v.into();
        self
    }
}

impl wkt::message::Message for Escalation {
    fn typename() -> &'static str {
        "type.googleapis.com/google.cloud.support.v2.Escalation"
    }
}

#[doc(hidden)]
impl<'de> serde::de::Deserialize<'de> for Escalation {
    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        #[allow(non_camel_case_types)]
        #[doc(hidden)]
        #[derive(PartialEq, Eq, Hash)]
        enum __FieldTag {
            __reason,
            __justification,
            Unknown(std::string::String),
        }
        impl<'de> serde::de::Deserialize<'de> for __FieldTag {
            fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
            where
                D: serde::Deserializer<'de>,
            {
                struct Visitor;
                impl<'de> serde::de::Visitor<'de> for Visitor {
                    type Value = __FieldTag;
                    fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                        formatter.write_str("a field name for Escalation")
                    }
                    fn visit_str<E>(self, value: &str) -> std::result::Result<Self::Value, E>
                    where
                        E: serde::de::Error,
                    {
                        use std::result::Result::Ok;
                        use std::string::ToString;
                        match value {
                            "reason" => Ok(__FieldTag::__reason),
                            "justification" => Ok(__FieldTag::__justification),
                            _ => Ok(__FieldTag::Unknown(value.to_string())),
                        }
                    }
                }
                deserializer.deserialize_identifier(Visitor)
            }
        }
        struct Visitor;
        impl<'de> serde::de::Visitor<'de> for Visitor {
            type Value = Escalation;
            fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
                formatter.write_str("struct Escalation")
            }
            fn visit_map<A>(self, mut map: A) -> std::result::Result<Self::Value, A::Error>
            where
                A: serde::de::MapAccess<'de>,
            {
                #[allow(unused_imports)]
                use serde::de::Error;
                use std::option::Option::Some;
                let mut fields = std::collections::HashSet::new();
                let mut result = Self::Value::new();
                while let Some(tag) = map.next_key::<__FieldTag>()? {
                    #[allow(clippy::match_single_binding)]
                    match tag {
                        __FieldTag::__reason => {
                            if !fields.insert(__FieldTag::__reason) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for reason",
                                ));
                            }
                            result.reason = map.next_value::<std::option::Option<crate::model::escalation::Reason>>()?.unwrap_or_default();
                        }
                        __FieldTag::__justification => {
                            if !fields.insert(__FieldTag::__justification) {
                                return std::result::Result::Err(A::Error::duplicate_field(
                                    "multiple values for justification",
                                ));
                            }
                            result.justification = map
                                .next_value::<std::option::Option<std::string::String>>()?
                                .unwrap_or_default();
                        }
                        __FieldTag::Unknown(key) => {
                            let value = map.next_value::<serde_json::Value>()?;
                            result._unknown_fields.insert(key, value);
                        }
                    }
                }
                std::result::Result::Ok(result)
            }
        }
        deserializer.deserialize_any(Visitor)
    }
}

#[doc(hidden)]
impl serde::ser::Serialize for Escalation {
    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
    where
        S: serde::ser::Serializer,
    {
        use serde::ser::SerializeMap;
        #[allow(unused_imports)]
        use std::option::Option::Some;
        let mut state = serializer.serialize_map(std::option::Option::None)?;
        if !wkt::internal::is_default(&self.reason) {
            state.serialize_entry("reason", &self.reason)?;
        }
        if !self.justification.is_empty() {
            state.serialize_entry("justification", &self.justification)?;
        }
        if !self._unknown_fields.is_empty() {
            for (key, value) in self._unknown_fields.iter() {
                state.serialize_entry(key, &value)?;
            }
        }
        state.end()
    }
}

impl std::fmt::Debug for Escalation {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let mut debug_struct = f.debug_struct("Escalation");
        debug_struct.field("reason", &self.reason);
        debug_struct.field("justification", &self.justification);
        if !self._unknown_fields.is_empty() {
            debug_struct.field("_unknown_fields", &self._unknown_fields);
        }
        debug_struct.finish()
    }
}

/// Defines additional types related to [Escalation].
pub mod escalation {
    #[allow(unused_imports)]
    use super::*;

    /// An enum detailing the possible reasons a case may be escalated.
    ///
    /// # Working with unknown values
    ///
    /// This enum is defined as `#[non_exhaustive]` because Google Cloud may add
    /// additional enum variants at any time. Adding new variants is not considered
    /// a breaking change. Applications should write their code in anticipation of:
    ///
    /// - New values appearing in future releases of the client library, **and**
    /// - New values received dynamically, without application changes.
    ///
    /// Please consult the [Working with enums] section in the user guide for some
    /// guidelines.
    ///
    /// [Working with enums]: https://google-cloud-rust.github.io/working_with_enums.html
    #[derive(Clone, Debug, PartialEq)]
    #[non_exhaustive]
    pub enum Reason {
        /// The escalation reason is in an unknown state or has not been specified.
        Unspecified,
        /// The case is taking too long to resolve.
        ResolutionTime,
        /// The support agent does not have the expertise required to successfully
        /// resolve the issue.
        TechnicalExpertise,
        /// The issue is having a significant business impact.
        BusinessImpact,
        /// If set, the enum was initialized with an unknown value.
        ///
        /// Applications can examine the value using [Reason::value] or
        /// [Reason::name].
        UnknownValue(reason::UnknownValue),
    }

    #[doc(hidden)]
    pub mod reason {
        #[allow(unused_imports)]
        use super::*;
        #[derive(Clone, Debug, PartialEq)]
        pub struct UnknownValue(pub(crate) wkt::internal::UnknownEnumValue);
    }

    impl Reason {
        /// Gets the enum value.
        ///
        /// Returns `None` if the enum contains an unknown value deserialized from
        /// the string representation of enums.
        pub fn value(&self) -> std::option::Option<i32> {
            match self {
                Self::Unspecified => std::option::Option::Some(0),
                Self::ResolutionTime => std::option::Option::Some(1),
                Self::TechnicalExpertise => std::option::Option::Some(2),
                Self::BusinessImpact => std::option::Option::Some(3),
                Self::UnknownValue(u) => u.0.value(),
            }
        }

        /// Gets the enum value as a string.
        ///
        /// Returns `None` if the enum contains an unknown value deserialized from
        /// the integer representation of enums.
        pub fn name(&self) -> std::option::Option<&str> {
            match self {
                Self::Unspecified => std::option::Option::Some("REASON_UNSPECIFIED"),
                Self::ResolutionTime => std::option::Option::Some("RESOLUTION_TIME"),
                Self::TechnicalExpertise => std::option::Option::Some("TECHNICAL_EXPERTISE"),
                Self::BusinessImpact => std::option::Option::Some("BUSINESS_IMPACT"),
                Self::UnknownValue(u) => u.0.name(),
            }
        }
    }

    impl std::default::Default for Reason {
        fn default() -> Self {
            use std::convert::From;
            Self::from(0)
        }
    }

    impl std::fmt::Display for Reason {
        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
            wkt::internal::display_enum(f, self.name(), self.value())
        }
    }

    impl std::convert::From<i32> for Reason {
        fn from(value: i32) -> Self {
            match value {
                0 => Self::Unspecified,
                1 => Self::ResolutionTime,
                2 => Self::TechnicalExpertise,
                3 => Self::BusinessImpact,
                _ => Self::UnknownValue(reason::UnknownValue(
                    wkt::internal::UnknownEnumValue::Integer(value),
                )),
            }
        }
    }

    impl std::convert::From<&str> for Reason {
        fn from(value: &str) -> Self {
            use std::string::ToString;
            match value {
                "REASON_UNSPECIFIED" => Self::Unspecified,
                "RESOLUTION_TIME" => Self::ResolutionTime,
                "TECHNICAL_EXPERTISE" => Self::TechnicalExpertise,
                "BUSINESS_IMPACT" => Self::BusinessImpact,
                _ => Self::UnknownValue(reason::UnknownValue(
                    wkt::internal::UnknownEnumValue::String(value.to_string()),
                )),
            }
        }
    }

    impl serde::ser::Serialize for Reason {
        fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
        where
            S: serde::Serializer,
        {
            match self {
                Self::Unspecified => serializer.serialize_i32(0),
                Self::ResolutionTime => serializer.serialize_i32(1),
                Self::TechnicalExpertise => serializer.serialize_i32(2),
                Self::BusinessImpact => serializer.serialize_i32(3),
                Self::UnknownValue(u) => u.0.serialize(serializer),
            }
        }
    }

    impl<'de> serde::de::Deserialize<'de> for Reason {
        fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
        where
            D: serde::Deserializer<'de>,
        {
            deserializer.deserialize_any(wkt::internal::EnumVisitor::<Reason>::new(
                ".google.cloud.support.v2.Escalation.Reason",
            ))
        }
    }
}