trust-tasks-rs 0.17.7

Reference Rust library for the Trust Tasks framework — transport-agnostic, JSON-based descriptions of verifiable work between parties.
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//! Generated by `trust-tasks-codegen` — do not edit by hand.
//!
//! Spec slug: `audit/list`. Version: `0.1`.
#[allow(unused_imports)]
use serde::{Deserialize, Serialize};
/// Error types.
pub mod error {
    /// Error from a `TryFrom` or `FromStr` implementation.
    pub struct ConversionError(::std::borrow::Cow<'static, str>);
    impl ::std::error::Error for ConversionError {}
    impl ::std::fmt::Display for ConversionError {
        fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> Result<(), ::std::fmt::Error> {
            ::std::fmt::Display::fmt(&self.0, f)
        }
    }
    impl ::std::fmt::Debug for ConversionError {
        fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> Result<(), ::std::fmt::Error> {
            ::std::fmt::Debug::fmt(&self.0, f)
        }
    }
    impl From<&'static str> for ConversionError {
        fn from(value: &'static str) -> Self {
            Self(value.into())
        }
    }
    impl From<String> for ConversionError {
        fn from(value: String) -> Self {
            Self(value.into())
        }
    }
}
///One entry in an append-only audit log. Only eventId/recordedAt/action are universal; every other field is populated by maintainers that track it. `prevHash`/`entryHash` are present on hash-chained logs (see audit/verify) and absent otherwise. Principal DIDs are plaintext and MAY be absent when a right-to-be-forgotten redaction has nulled them after the fact.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "AuditEnvelope",
///  "description": "One entry in an append-only audit log. Only eventId/recordedAt/action are universal; every other field is populated by maintainers that track it. `prevHash`/`entryHash` are present on hash-chained logs (see audit/verify) and absent otherwise. Principal DIDs are plaintext and MAY be absent when a right-to-be-forgotten redaction has nulled them after the fact.",
///  "type": "object",
///  "required": [
///    "action",
///    "eventId",
///    "recordedAt"
///  ],
///  "properties": {
///    "action": {
///      "description": "The operation this entry records — a maintainer-defined action name (e.g. `member.removed`, `policy.activated`). The discriminator for `detail`.",
///      "type": "string",
///      "minLength": 1
///    },
///    "actor": {
///      "description": "DID of the principal that performed the action. `null` when a right-to-be-forgotten redaction has removed the plaintext; a maintainer that keeps a keyed hash of the actor for correlation carries it in `ext`, not here.",
///      "type": [
///        "string",
///        "null"
///      ]
///    },
///    "contextId": {
///      "description": "Trust context the event occurred in, for a maintainer that partitions its log per context.",
///      "type": "string",
///      "minLength": 1
///    },
///    "detail": {
///      "description": "Event-specific payload, keyed by `action`. Opaque to the framework; a consumer that does not recognise the action treats it as an unstructured record.",
///      "type": "object",
///      "additionalProperties": true
///    },
///    "entryHash": {
///      "description": "Hash-chain commitment over this entry's immutable content. The next entry's `prevHash` points here. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of that content; the canonicalization is what makes the commitment reproducible by a verifier that did not write the entry.",
///      "$ref": "#/definitions/DigestMultibase"
///    },
///    "eventId": {
///      "description": "Stable identifier for this event. Also the tie-breaker component of a cursor's position key.",
///      "type": "string",
///      "minLength": 1
///    },
///    "ext": {
///      "$ref": "#/definitions/Ext"
///    },
///    "outcome": {
///      "description": "How the operation resolved. Typically `success` or `denied`; a maintainer MAY use others. Absent for events that have no pass/fail sense.",
///      "type": "string"
///    },
///    "prevHash": {
///      "description": "Hash-chain link: the `entryHash` of the immediately-preceding entry. Present only on chained logs; its integrity is what audit/verify checks. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of the predecessor's immutable content — the same derivation as `entryHash`, so a verifier recomputes both the same way.",
///      "$ref": "#/definitions/DigestMultibase"
///    },
///    "recordedAt": {
///      "description": "Wall-clock time the entry was written. The primary ordering key.",
///      "type": "string",
///      "format": "date-time"
///    },
///    "schemaVersion": {
///      "description": "Envelope-shape version at the maintainer, for consumers that need to reason about wire-shape evolution.",
///      "type": "integer",
///      "minimum": 0.0
///    },
///    "target": {
///      "description": "DID of the principal the action acted upon, when the event has one. `null`/absent for events whose target is the maintainer itself. Same redaction semantics as `actor`.",
///      "type": [
///        "string",
///        "null"
///      ]
///    }
///  },
///  "additionalProperties": false,
///  "$anchor": "auditEnvelope"
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
#[non_exhaustive]
pub struct AuditEnvelope {
    ///The operation this entry records — a maintainer-defined action name (e.g. `member.removed`, `policy.activated`). The discriminator for `detail`.
    pub action: AuditEnvelopeAction,
    ///DID of the principal that performed the action. `null` when a right-to-be-forgotten redaction has removed the plaintext; a maintainer that keeps a keyed hash of the actor for correlation carries it in `ext`, not here.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub actor: ::std::option::Option<::std::string::String>,
    ///Trust context the event occurred in, for a maintainer that partitions its log per context.
    #[serde(
        rename = "contextId",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub context_id: ::std::option::Option<AuditEnvelopeContextId>,
    ///Event-specific payload, keyed by `action`. Opaque to the framework; a consumer that does not recognise the action treats it as an unstructured record.
    #[serde(default, skip_serializing_if = "::serde_json::Map::is_empty")]
    pub detail: ::serde_json::Map<::std::string::String, ::serde_json::Value>,
    ///Hash-chain commitment over this entry's immutable content. The next entry's `prevHash` points here. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of that content; the canonicalization is what makes the commitment reproducible by a verifier that did not write the entry.
    #[serde(
        rename = "entryHash",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub entry_hash: ::std::option::Option<DigestMultibase>,
    ///Stable identifier for this event. Also the tie-breaker component of a cursor's position key.
    #[serde(rename = "eventId")]
    pub event_id: AuditEnvelopeEventId,
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub ext: ::std::option::Option<Ext>,
    ///How the operation resolved. Typically `success` or `denied`; a maintainer MAY use others. Absent for events that have no pass/fail sense.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub outcome: ::std::option::Option<::std::string::String>,
    ///Hash-chain link: the `entryHash` of the immediately-preceding entry. Present only on chained logs; its integrity is what audit/verify checks. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of the predecessor's immutable content — the same derivation as `entryHash`, so a verifier recomputes both the same way.
    #[serde(
        rename = "prevHash",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub prev_hash: ::std::option::Option<DigestMultibase>,
    ///Wall-clock time the entry was written. The primary ordering key.
    #[serde(rename = "recordedAt")]
    pub recorded_at: ::chrono::DateTime<::chrono::offset::Utc>,
    ///Envelope-shape version at the maintainer, for consumers that need to reason about wire-shape evolution.
    #[serde(
        rename = "schemaVersion",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub schema_version: ::std::option::Option<u64>,
    ///DID of the principal the action acted upon, when the event has one. `null`/absent for events whose target is the maintainer itself. Same redaction semantics as `actor`.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub target: ::std::option::Option<::std::string::String>,
}
impl AuditEnvelope {
    pub fn builder() -> builder::AuditEnvelope {
        Default::default()
    }
}
///The operation this entry records — a maintainer-defined action name (e.g. `member.removed`, `policy.activated`). The discriminator for `detail`.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "The operation this entry records — a maintainer-defined action name (e.g. `member.removed`, `policy.activated`). The discriminator for `detail`.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct AuditEnvelopeAction(::std::string::String);
impl ::std::ops::Deref for AuditEnvelopeAction {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<AuditEnvelopeAction> for ::std::string::String {
    fn from(value: AuditEnvelopeAction) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for AuditEnvelopeAction {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for AuditEnvelopeAction {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for AuditEnvelopeAction {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for AuditEnvelopeAction {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for AuditEnvelopeAction {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///Trust context the event occurred in, for a maintainer that partitions its log per context.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Trust context the event occurred in, for a maintainer that partitions its log per context.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct AuditEnvelopeContextId(::std::string::String);
impl ::std::ops::Deref for AuditEnvelopeContextId {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<AuditEnvelopeContextId> for ::std::string::String {
    fn from(value: AuditEnvelopeContextId) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for AuditEnvelopeContextId {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for AuditEnvelopeContextId {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for AuditEnvelopeContextId {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for AuditEnvelopeContextId {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for AuditEnvelopeContextId {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///Stable identifier for this event. Also the tie-breaker component of a cursor's position key.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Stable identifier for this event. Also the tie-breaker component of a cursor's position key.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct AuditEnvelopeEventId(::std::string::String);
impl ::std::ops::Deref for AuditEnvelopeEventId {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<AuditEnvelopeEventId> for ::std::string::String {
    fn from(value: AuditEnvelopeEventId) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for AuditEnvelopeEventId {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for AuditEnvelopeEventId {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for AuditEnvelopeEventId {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for AuditEnvelopeEventId {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for AuditEnvelopeEventId {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
/**
A cryptographic digest as a multibase-encoded multihash — the encoding the W3C Verifiable Credentials Data Model 2.0 defines for `digestMultibase`, and the one `did:webvh` uses for its SCID and entry hashes.

Multihash carries the hash algorithm in-band, so the value is self-describing and the wire format survives an algorithm change without a schema revision; multibase does the same for the base encoding, so a verifier never infers base58 from base64url by context. A bare hex string or a `sha-256:`-style prefix hard-codes one algorithm into the wire contract and is non-conforming here.

This definition constrains the *encoding only*. What the digest is computed over is stated by each referencing field, because it differs legitimately: a digest over a JSON document is taken over its RFC 8785 (JCS) canonicalization, while a digest over an opaque artifact is taken over its bytes. A field whose input is a JSON document and which does not name a canonicalization is not reproducible.

Restricted to the two multibase headers W3C Controlled Identifiers 1.0 §2.4 normatively requires — `z` (base58btc) and `u` (base64url-no-pad). CID permits others but states that "interoperability is not guaranteed between implementations using such values", and a registry whose purpose is interoperability should not mint digests a conforming verifier may be unable to read. The alphabets are enforced rather than assumed: base58btc excludes 0, O, I and l, and an earlier permissive pattern let three published examples carry digests that were not valid base58 at all. base58btc is RECOMMENDED, for consistency with `did:key` and `did:webvh`.*/
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "DigestMultibase",
///  "description": "\nA cryptographic digest as a multibase-encoded multihash — the encoding the W3C Verifiable Credentials Data Model 2.0 defines for `digestMultibase`, and the one `did:webvh` uses for its SCID and entry hashes.\n\nMultihash carries the hash algorithm in-band, so the value is self-describing and the wire format survives an algorithm change without a schema revision; multibase does the same for the base encoding, so a verifier never infers base58 from base64url by context. A bare hex string or a `sha-256:`-style prefix hard-codes one algorithm into the wire contract and is non-conforming here.\n\nThis definition constrains the *encoding only*. What the digest is computed over is stated by each referencing field, because it differs legitimately: a digest over a JSON document is taken over its RFC 8785 (JCS) canonicalization, while a digest over an opaque artifact is taken over its bytes. A field whose input is a JSON document and which does not name a canonicalization is not reproducible.\n\nRestricted to the two multibase headers W3C Controlled Identifiers 1.0 §2.4 normatively requires — `z` (base58btc) and `u` (base64url-no-pad). CID permits others but states that \"interoperability is not guaranteed between implementations using such values\", and a registry whose purpose is interoperability should not mint digests a conforming verifier may be unable to read. The alphabets are enforced rather than assumed: base58btc excludes 0, O, I and l, and an earlier permissive pattern let three published examples carry digests that were not valid base58 at all. base58btc is RECOMMENDED, for consistency with `did:key` and `did:webvh`.",
///  "examples": [
///    "zQmbWqxBEKC3P8tqsKc98xmWNzrzDtRLMiMPL8wBuTGsMnR"
///  ],
///  "type": "string",
///  "minLength": 16,
///  "pattern": "^(z[1-9A-HJ-NP-Za-km-z]+|u[A-Za-z0-9_-]+)$"
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct DigestMultibase(::std::string::String);
impl ::std::ops::Deref for DigestMultibase {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<DigestMultibase> for ::std::string::String {
    fn from(value: DigestMultibase) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for DigestMultibase {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 16usize {
            return Err("shorter than 16 characters".into());
        }
        static PATTERN: ::std::sync::LazyLock<::regress::Regex> =
            ::std::sync::LazyLock::new(|| {
                ::regress::Regex::new("^(z[1-9A-HJ-NP-Za-km-z]+|u[A-Za-z0-9_-]+)$").unwrap()
            });
        if PATTERN.find(value).is_none() {
            return Err(
                "doesn't match pattern \"^(z[1-9A-HJ-NP-Za-km-z]+|u[A-Za-z0-9_-]+)$\"".into(),
            );
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for DigestMultibase {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for DigestMultibase {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for DigestMultibase {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for DigestMultibase {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "Ext",
///  "description": "Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.",
///  "type": "object",
///  "minProperties": 1,
///  "additionalProperties": true,
///  "propertyNames": {
///    "pattern": "^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$"
///  }
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(transparent)]
pub struct Ext(pub ::std::collections::HashMap<ExtKey, ::serde_json::Value>);
impl ::std::ops::Deref for Ext {
    type Target = ::std::collections::HashMap<ExtKey, ::serde_json::Value>;
    fn deref(&self) -> &::std::collections::HashMap<ExtKey, ::serde_json::Value> {
        &self.0
    }
}
impl ::std::convert::From<Ext> for ::std::collections::HashMap<ExtKey, ::serde_json::Value> {
    fn from(value: Ext) -> Self {
        value.0
    }
}
impl ::std::convert::From<::std::collections::HashMap<ExtKey, ::serde_json::Value>> for Ext {
    fn from(value: ::std::collections::HashMap<ExtKey, ::serde_json::Value>) -> Self {
        Self(value)
    }
}
///`ExtKey`
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "type": "string",
///  "pattern": "^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$"
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct ExtKey(::std::string::String);
impl ::std::ops::Deref for ExtKey {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<ExtKey> for ::std::string::String {
    fn from(value: ExtKey) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for ExtKey {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        static PATTERN: ::std::sync::LazyLock<::regress::Regex> =
            ::std::sync::LazyLock::new(|| {
                ::regress::Regex::new("^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$").unwrap()
            });
        if PATTERN.find(value).is_none() {
            return Err("doesn't match pattern \"^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$\"".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for ExtKey {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for ExtKey {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for ExtKey {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for ExtKey {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///`Payload`
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "$id": "https://trusttasks.org/spec/audit/list/0.1",
///  "title": "Payload",
///  "type": "object",
///  "properties": {
///    "action": {
///      "description": "Return only entries whose `action` equals this value.",
///      "type": "string",
///      "minLength": 1
///    },
///    "actor": {
///      "description": "Return only entries whose `actor` DID equals this value. Matches on the plaintext; redacted entries are not returned by an actor filter.",
///      "type": "string",
///      "minLength": 1
///    },
///    "contextId": {
///      "description": "Return only entries in this trust context.",
///      "type": "string",
///      "minLength": 1
///    },
///    "cursor": {
///      "description": "Opaque continuation token from a previous response's `cursor`. Encodes the position to resume from; a maintainer SHOULD sign it so it cannot be forged to skip entries. Treated as invalid (see errorCodes) if it fails to verify — e.g. minted before an audit-key rotation. A consumer that supplies a `cursor` MUST NOT also change the filters, which are bound into the cursor's position.",
///      "type": "string"
///    },
///    "ext": {
///      "$ref": "#/definitions/Ext"
///    },
///    "from": {
///      "description": "Return only entries recorded at or after this time.",
///      "type": "string",
///      "format": "date-time"
///    },
///    "outcome": {
///      "description": "Return only entries whose `outcome` equals this value.",
///      "type": "string",
///      "minLength": 1
///    },
///    "pageSize": {
///      "description": "Maximum entries to return in this page.",
///      "type": "integer",
///      "maximum": 1000.0,
///      "minimum": 1.0
///    },
///    "to": {
///      "description": "Return only entries recorded strictly before this time.",
///      "type": "string",
///      "format": "date-time"
///    }
///  },
///  "additionalProperties": false
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
#[non_exhaustive]
pub struct Payload {
    ///Return only entries whose `action` equals this value.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub action: ::std::option::Option<PayloadAction>,
    ///Return only entries whose `actor` DID equals this value. Matches on the plaintext; redacted entries are not returned by an actor filter.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub actor: ::std::option::Option<PayloadActor>,
    ///Return only entries in this trust context.
    #[serde(
        rename = "contextId",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub context_id: ::std::option::Option<PayloadContextId>,
    ///Opaque continuation token from a previous response's `cursor`. Encodes the position to resume from; a maintainer SHOULD sign it so it cannot be forged to skip entries. Treated as invalid (see errorCodes) if it fails to verify — e.g. minted before an audit-key rotation. A consumer that supplies a `cursor` MUST NOT also change the filters, which are bound into the cursor's position.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub cursor: ::std::option::Option<::std::string::String>,
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub ext: ::std::option::Option<Ext>,
    ///Return only entries recorded at or after this time.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub from: ::std::option::Option<::chrono::DateTime<::chrono::offset::Utc>>,
    ///Return only entries whose `outcome` equals this value.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub outcome: ::std::option::Option<PayloadOutcome>,
    ///Maximum entries to return in this page.
    #[serde(
        rename = "pageSize",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub page_size: ::std::option::Option<::std::num::NonZeroU64>,
    ///Return only entries recorded strictly before this time.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub to: ::std::option::Option<::chrono::DateTime<::chrono::offset::Utc>>,
}
impl ::std::default::Default for Payload {
    fn default() -> Self {
        Self {
            action: Default::default(),
            actor: Default::default(),
            context_id: Default::default(),
            cursor: Default::default(),
            ext: Default::default(),
            from: Default::default(),
            outcome: Default::default(),
            page_size: Default::default(),
            to: Default::default(),
        }
    }
}
impl Payload {
    pub fn builder() -> builder::Payload {
        Default::default()
    }
}
///Return only entries whose `action` equals this value.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Return only entries whose `action` equals this value.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadAction(::std::string::String);
impl ::std::ops::Deref for PayloadAction {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadAction> for ::std::string::String {
    fn from(value: PayloadAction) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadAction {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for PayloadAction {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for PayloadAction {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for PayloadAction {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for PayloadAction {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///Return only entries whose `actor` DID equals this value. Matches on the plaintext; redacted entries are not returned by an actor filter.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Return only entries whose `actor` DID equals this value. Matches on the plaintext; redacted entries are not returned by an actor filter.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadActor(::std::string::String);
impl ::std::ops::Deref for PayloadActor {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadActor> for ::std::string::String {
    fn from(value: PayloadActor) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadActor {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for PayloadActor {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for PayloadActor {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for PayloadActor {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for PayloadActor {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///Return only entries in this trust context.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Return only entries in this trust context.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadContextId(::std::string::String);
impl ::std::ops::Deref for PayloadContextId {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadContextId> for ::std::string::String {
    fn from(value: PayloadContextId) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadContextId {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for PayloadContextId {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for PayloadContextId {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for PayloadContextId {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for PayloadContextId {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///Return only entries whose `outcome` equals this value.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Return only entries whose `outcome` equals this value.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadOutcome(::std::string::String);
impl ::std::ops::Deref for PayloadOutcome {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadOutcome> for ::std::string::String {
    fn from(value: PayloadOutcome) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadOutcome {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for PayloadOutcome {
    type Error = self::error::ConversionError;
    fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<&::std::string::String> for PayloadOutcome {
    type Error = self::error::ConversionError;
    fn try_from(
        value: &::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<::std::string::String> for PayloadOutcome {
    type Error = self::error::ConversionError;
    fn try_from(
        value: ::std::string::String,
    ) -> ::std::result::Result<Self, self::error::ConversionError> {
        value.parse()
    }
}
impl<'de> ::serde::Deserialize<'de> for PayloadOutcome {
    fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
    where
        D: ::serde::Deserializer<'de>,
    {
        ::std::string::String::deserialize(deserializer)?
            .parse()
            .map_err(|e: self::error::ConversionError| {
                <D::Error as ::serde::de::Error>::custom(e.to_string())
            })
    }
}
///`Response`
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "Response",
///  "type": "object",
///  "required": [
///    "entries",
///    "truncated"
///  ],
///  "properties": {
///    "cursor": {
///      "description": "Opaque continuation token for the next page. Present iff `truncated` is true.",
///      "type": "string"
///    },
///    "entries": {
///      "description": "The matching audit entries, newest first.",
///      "type": "array",
///      "items": {
///        "$ref": "#/definitions/AuditEnvelope"
///      }
///    },
///    "ext": {
///      "$ref": "#/definitions/Ext"
///    },
///    "truncated": {
///      "description": "True when more entries match beyond this page — `cursor` is then present to fetch them.",
///      "type": "boolean"
///    }
///  },
///  "additionalProperties": false,
///  "$anchor": "response"
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
#[non_exhaustive]
pub struct Response {
    ///Opaque continuation token for the next page. Present iff `truncated` is true.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub cursor: ::std::option::Option<::std::string::String>,
    ///The matching audit entries, newest first.
    pub entries: ::std::vec::Vec<AuditEnvelope>,
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub ext: ::std::option::Option<Ext>,
    ///True when more entries match beyond this page — `cursor` is then present to fetch them.
    pub truncated: bool,
}
impl Response {
    pub fn builder() -> builder::Response {
        Default::default()
    }
}
/// Types for composing complex structures.
pub mod builder {
    #[derive(Clone, Debug)]
    pub struct AuditEnvelope {
        action: ::std::result::Result<super::AuditEnvelopeAction, ::std::string::String>,
        actor: ::std::result::Result<
            ::std::option::Option<::std::string::String>,
            ::std::string::String,
        >,
        context_id: ::std::result::Result<
            ::std::option::Option<super::AuditEnvelopeContextId>,
            ::std::string::String,
        >,
        detail: ::std::result::Result<
            ::serde_json::Map<::std::string::String, ::serde_json::Value>,
            ::std::string::String,
        >,
        entry_hash: ::std::result::Result<
            ::std::option::Option<super::DigestMultibase>,
            ::std::string::String,
        >,
        event_id: ::std::result::Result<super::AuditEnvelopeEventId, ::std::string::String>,
        ext: ::std::result::Result<::std::option::Option<super::Ext>, ::std::string::String>,
        outcome: ::std::result::Result<
            ::std::option::Option<::std::string::String>,
            ::std::string::String,
        >,
        prev_hash: ::std::result::Result<
            ::std::option::Option<super::DigestMultibase>,
            ::std::string::String,
        >,
        recorded_at:
            ::std::result::Result<::chrono::DateTime<::chrono::offset::Utc>, ::std::string::String>,
        schema_version: ::std::result::Result<::std::option::Option<u64>, ::std::string::String>,
        target: ::std::result::Result<
            ::std::option::Option<::std::string::String>,
            ::std::string::String,
        >,
    }
    impl ::std::default::Default for AuditEnvelope {
        fn default() -> Self {
            Self {
                action: Err("no value supplied for action".to_string()),
                actor: Ok(Default::default()),
                context_id: Ok(Default::default()),
                detail: Ok(Default::default()),
                entry_hash: Ok(Default::default()),
                event_id: Err("no value supplied for event_id".to_string()),
                ext: Ok(Default::default()),
                outcome: Ok(Default::default()),
                prev_hash: Ok(Default::default()),
                recorded_at: Err("no value supplied for recorded_at".to_string()),
                schema_version: Ok(Default::default()),
                target: Ok(Default::default()),
            }
        }
    }
    impl AuditEnvelope {
        pub fn action<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<super::AuditEnvelopeAction>,
            T::Error: ::std::fmt::Display,
        {
            self.action = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for action: {e}"));
            self
        }
        pub fn actor<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<::std::string::String>>,
            T::Error: ::std::fmt::Display,
        {
            self.actor = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for actor: {e}"));
            self
        }
        pub fn context_id<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::AuditEnvelopeContextId>>,
            T::Error: ::std::fmt::Display,
        {
            self.context_id = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for context_id: {e}"));
            self
        }
        pub fn detail<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<
                ::serde_json::Map<::std::string::String, ::serde_json::Value>,
            >,
            T::Error: ::std::fmt::Display,
        {
            self.detail = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for detail: {e}"));
            self
        }
        pub fn entry_hash<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::DigestMultibase>>,
            T::Error: ::std::fmt::Display,
        {
            self.entry_hash = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for entry_hash: {e}"));
            self
        }
        pub fn event_id<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<super::AuditEnvelopeEventId>,
            T::Error: ::std::fmt::Display,
        {
            self.event_id = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for event_id: {e}"));
            self
        }
        pub fn ext<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::Ext>>,
            T::Error: ::std::fmt::Display,
        {
            self.ext = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for ext: {e}"));
            self
        }
        pub fn outcome<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<::std::string::String>>,
            T::Error: ::std::fmt::Display,
        {
            self.outcome = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for outcome: {e}"));
            self
        }
        pub fn prev_hash<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::DigestMultibase>>,
            T::Error: ::std::fmt::Display,
        {
            self.prev_hash = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for prev_hash: {e}"));
            self
        }
        pub fn recorded_at<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::chrono::DateTime<::chrono::offset::Utc>>,
            T::Error: ::std::fmt::Display,
        {
            self.recorded_at = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for recorded_at: {e}"));
            self
        }
        pub fn schema_version<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<u64>>,
            T::Error: ::std::fmt::Display,
        {
            self.schema_version = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for schema_version: {e}"));
            self
        }
        pub fn target<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<::std::string::String>>,
            T::Error: ::std::fmt::Display,
        {
            self.target = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for target: {e}"));
            self
        }
    }
    impl ::std::convert::TryFrom<AuditEnvelope> for super::AuditEnvelope {
        type Error = super::error::ConversionError;
        fn try_from(
            value: AuditEnvelope,
        ) -> ::std::result::Result<Self, super::error::ConversionError> {
            Ok(Self {
                action: value.action?,
                actor: value.actor?,
                context_id: value.context_id?,
                detail: value.detail?,
                entry_hash: value.entry_hash?,
                event_id: value.event_id?,
                ext: value.ext?,
                outcome: value.outcome?,
                prev_hash: value.prev_hash?,
                recorded_at: value.recorded_at?,
                schema_version: value.schema_version?,
                target: value.target?,
            })
        }
    }
    impl ::std::convert::From<super::AuditEnvelope> for AuditEnvelope {
        fn from(value: super::AuditEnvelope) -> Self {
            Self {
                action: Ok(value.action),
                actor: Ok(value.actor),
                context_id: Ok(value.context_id),
                detail: Ok(value.detail),
                entry_hash: Ok(value.entry_hash),
                event_id: Ok(value.event_id),
                ext: Ok(value.ext),
                outcome: Ok(value.outcome),
                prev_hash: Ok(value.prev_hash),
                recorded_at: Ok(value.recorded_at),
                schema_version: Ok(value.schema_version),
                target: Ok(value.target),
            }
        }
    }
    #[derive(Clone, Debug)]
    pub struct Payload {
        action: ::std::result::Result<
            ::std::option::Option<super::PayloadAction>,
            ::std::string::String,
        >,
        actor: ::std::result::Result<
            ::std::option::Option<super::PayloadActor>,
            ::std::string::String,
        >,
        context_id: ::std::result::Result<
            ::std::option::Option<super::PayloadContextId>,
            ::std::string::String,
        >,
        cursor: ::std::result::Result<
            ::std::option::Option<::std::string::String>,
            ::std::string::String,
        >,
        ext: ::std::result::Result<::std::option::Option<super::Ext>, ::std::string::String>,
        from: ::std::result::Result<
            ::std::option::Option<::chrono::DateTime<::chrono::offset::Utc>>,
            ::std::string::String,
        >,
        outcome: ::std::result::Result<
            ::std::option::Option<super::PayloadOutcome>,
            ::std::string::String,
        >,
        page_size: ::std::result::Result<
            ::std::option::Option<::std::num::NonZeroU64>,
            ::std::string::String,
        >,
        to: ::std::result::Result<
            ::std::option::Option<::chrono::DateTime<::chrono::offset::Utc>>,
            ::std::string::String,
        >,
    }
    impl ::std::default::Default for Payload {
        fn default() -> Self {
            Self {
                action: Ok(Default::default()),
                actor: Ok(Default::default()),
                context_id: Ok(Default::default()),
                cursor: Ok(Default::default()),
                ext: Ok(Default::default()),
                from: Ok(Default::default()),
                outcome: Ok(Default::default()),
                page_size: Ok(Default::default()),
                to: Ok(Default::default()),
            }
        }
    }
    impl Payload {
        pub fn action<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::PayloadAction>>,
            T::Error: ::std::fmt::Display,
        {
            self.action = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for action: {e}"));
            self
        }
        pub fn actor<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::PayloadActor>>,
            T::Error: ::std::fmt::Display,
        {
            self.actor = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for actor: {e}"));
            self
        }
        pub fn context_id<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::PayloadContextId>>,
            T::Error: ::std::fmt::Display,
        {
            self.context_id = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for context_id: {e}"));
            self
        }
        pub fn cursor<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<::std::string::String>>,
            T::Error: ::std::fmt::Display,
        {
            self.cursor = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for cursor: {e}"));
            self
        }
        pub fn ext<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::Ext>>,
            T::Error: ::std::fmt::Display,
        {
            self.ext = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for ext: {e}"));
            self
        }
        pub fn from<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<
                ::std::option::Option<::chrono::DateTime<::chrono::offset::Utc>>,
            >,
            T::Error: ::std::fmt::Display,
        {
            self.from = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for from: {e}"));
            self
        }
        pub fn outcome<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::PayloadOutcome>>,
            T::Error: ::std::fmt::Display,
        {
            self.outcome = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for outcome: {e}"));
            self
        }
        pub fn page_size<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<::std::num::NonZeroU64>>,
            T::Error: ::std::fmt::Display,
        {
            self.page_size = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for page_size: {e}"));
            self
        }
        pub fn to<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<
                ::std::option::Option<::chrono::DateTime<::chrono::offset::Utc>>,
            >,
            T::Error: ::std::fmt::Display,
        {
            self.to = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for to: {e}"));
            self
        }
    }
    impl ::std::convert::TryFrom<Payload> for super::Payload {
        type Error = super::error::ConversionError;
        fn try_from(value: Payload) -> ::std::result::Result<Self, super::error::ConversionError> {
            Ok(Self {
                action: value.action?,
                actor: value.actor?,
                context_id: value.context_id?,
                cursor: value.cursor?,
                ext: value.ext?,
                from: value.from?,
                outcome: value.outcome?,
                page_size: value.page_size?,
                to: value.to?,
            })
        }
    }
    impl ::std::convert::From<super::Payload> for Payload {
        fn from(value: super::Payload) -> Self {
            Self {
                action: Ok(value.action),
                actor: Ok(value.actor),
                context_id: Ok(value.context_id),
                cursor: Ok(value.cursor),
                ext: Ok(value.ext),
                from: Ok(value.from),
                outcome: Ok(value.outcome),
                page_size: Ok(value.page_size),
                to: Ok(value.to),
            }
        }
    }
    #[derive(Clone, Debug)]
    pub struct Response {
        cursor: ::std::result::Result<
            ::std::option::Option<::std::string::String>,
            ::std::string::String,
        >,
        entries:
            ::std::result::Result<::std::vec::Vec<super::AuditEnvelope>, ::std::string::String>,
        ext: ::std::result::Result<::std::option::Option<super::Ext>, ::std::string::String>,
        truncated: ::std::result::Result<bool, ::std::string::String>,
    }
    impl ::std::default::Default for Response {
        fn default() -> Self {
            Self {
                cursor: Ok(Default::default()),
                entries: Err("no value supplied for entries".to_string()),
                ext: Ok(Default::default()),
                truncated: Err("no value supplied for truncated".to_string()),
            }
        }
    }
    impl Response {
        pub fn cursor<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<::std::string::String>>,
            T::Error: ::std::fmt::Display,
        {
            self.cursor = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for cursor: {e}"));
            self
        }
        pub fn entries<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::vec::Vec<super::AuditEnvelope>>,
            T::Error: ::std::fmt::Display,
        {
            self.entries = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for entries: {e}"));
            self
        }
        pub fn ext<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<::std::option::Option<super::Ext>>,
            T::Error: ::std::fmt::Display,
        {
            self.ext = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for ext: {e}"));
            self
        }
        pub fn truncated<T>(mut self, value: T) -> Self
        where
            T: ::std::convert::TryInto<bool>,
            T::Error: ::std::fmt::Display,
        {
            self.truncated = value
                .try_into()
                .map_err(|e| format!("error converting supplied value for truncated: {e}"));
            self
        }
    }
    impl ::std::convert::TryFrom<Response> for super::Response {
        type Error = super::error::ConversionError;
        fn try_from(value: Response) -> ::std::result::Result<Self, super::error::ConversionError> {
            Ok(Self {
                cursor: value.cursor?,
                entries: value.entries?,
                ext: value.ext?,
                truncated: value.truncated?,
            })
        }
    }
    impl ::std::convert::From<super::Response> for Response {
        fn from(value: super::Response) -> Self {
            Self {
                cursor: Ok(value.cursor),
                entries: Ok(value.entries),
                ext: Ok(value.ext),
                truncated: Ok(value.truncated),
            }
        }
    }
}
impl crate::Payload for Payload {
    const TYPE_URI: &'static str = "https://trusttasks.org/spec/audit/list/0.1";
    const IS_PROOF_REQUIRED: bool = true;
    const IS_ISSUED_AT_REQUIRED: bool = true;
    const IS_RECIPIENT_REQUIRED: bool = true;
    const PAYLOAD_SCHEMA: Option<&'static str> = Some(
        "{\n  \"$defs\": {\n    \"AuditEnvelope\": {\n      \"$anchor\": \"auditEnvelope\",\n      \"additionalProperties\": false,\n      \"description\": \"One entry in an append-only audit log. Only eventId/recordedAt/action are universal; every other field is populated by maintainers that track it. `prevHash`/`entryHash` are present on hash-chained logs (see audit/verify) and absent otherwise. Principal DIDs are plaintext and MAY be absent when a right-to-be-forgotten redaction has nulled them after the fact.\",\n      \"properties\": {\n        \"action\": {\n          \"description\": \"The operation this entry records — a maintainer-defined action name (e.g. `member.removed`, `policy.activated`). The discriminator for `detail`.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"actor\": {\n          \"description\": \"DID of the principal that performed the action. `null` when a right-to-be-forgotten redaction has removed the plaintext; a maintainer that keeps a keyed hash of the actor for correlation carries it in `ext`, not here.\",\n          \"type\": [\n            \"string\",\n            \"null\"\n          ]\n        },\n        \"contextId\": {\n          \"description\": \"Trust context the event occurred in, for a maintainer that partitions its log per context.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"detail\": {\n          \"additionalProperties\": true,\n          \"description\": \"Event-specific payload, keyed by `action`. Opaque to the framework; a consumer that does not recognise the action treats it as an unstructured record.\",\n          \"type\": \"object\"\n        },\n        \"entryHash\": {\n          \"$ref\": \"#/$defs/DigestMultibase\",\n          \"description\": \"Hash-chain commitment over this entry's immutable content. The next entry's `prevHash` points here. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of that content; the canonicalization is what makes the commitment reproducible by a verifier that did not write the entry.\"\n        },\n        \"eventId\": {\n          \"description\": \"Stable identifier for this event. Also the tie-breaker component of a cursor's position key.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"ext\": {\n          \"$ref\": \"#/$defs/Ext\"\n        },\n        \"outcome\": {\n          \"description\": \"How the operation resolved. Typically `success` or `denied`; a maintainer MAY use others. Absent for events that have no pass/fail sense.\",\n          \"type\": \"string\"\n        },\n        \"prevHash\": {\n          \"$ref\": \"#/$defs/DigestMultibase\",\n          \"description\": \"Hash-chain link: the `entryHash` of the immediately-preceding entry. Present only on chained logs; its integrity is what audit/verify checks. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of the predecessor's immutable content — the same derivation as `entryHash`, so a verifier recomputes both the same way.\"\n        },\n        \"recordedAt\": {\n          \"description\": \"Wall-clock time the entry was written. The primary ordering key.\",\n          \"format\": \"date-time\",\n          \"type\": \"string\"\n        },\n        \"schemaVersion\": {\n          \"description\": \"Envelope-shape version at the maintainer, for consumers that need to reason about wire-shape evolution.\",\n          \"minimum\": 0,\n          \"type\": \"integer\"\n        },\n        \"target\": {\n          \"description\": \"DID of the principal the action acted upon, when the event has one. `null`/absent for events whose target is the maintainer itself. Same redaction semantics as `actor`.\",\n          \"type\": [\n            \"string\",\n            \"null\"\n          ]\n        }\n      },\n      \"required\": [\n        \"eventId\",\n        \"recordedAt\",\n        \"action\"\n      ],\n      \"title\": \"AuditEnvelope\",\n      \"type\": \"object\"\n    },\n    \"DigestMultibase\": {\n      \"description\": \"A cryptographic digest as a multibase-encoded multihash — the encoding the W3C Verifiable Credentials Data Model 2.0 defines for `digestMultibase`, and the one `did:webvh` uses for its SCID and entry hashes.\\n\\nMultihash carries the hash algorithm in-band, so the value is self-describing and the wire format survives an algorithm change without a schema revision; multibase does the same for the base encoding, so a verifier never infers base58 from base64url by context. A bare hex string or a `sha-256:`-style prefix hard-codes one algorithm into the wire contract and is non-conforming here.\\n\\nThis definition constrains the *encoding only*. What the digest is computed over is stated by each referencing field, because it differs legitimately: a digest over a JSON document is taken over its RFC 8785 (JCS) canonicalization, while a digest over an opaque artifact is taken over its bytes. A field whose input is a JSON document and which does not name a canonicalization is not reproducible.\\n\\nRestricted to the two multibase headers W3C Controlled Identifiers 1.0 §2.4 normatively requires — `z` (base58btc) and `u` (base64url-no-pad). CID permits others but states that \\\"interoperability is not guaranteed between implementations using such values\\\", and a registry whose purpose is interoperability should not mint digests a conforming verifier may be unable to read. The alphabets are enforced rather than assumed: base58btc excludes 0, O, I and l, and an earlier permissive pattern let three published examples carry digests that were not valid base58 at all. base58btc is RECOMMENDED, for consistency with `did:key` and `did:webvh`.\",\n      \"examples\": [\n        \"zQmbWqxBEKC3P8tqsKc98xmWNzrzDtRLMiMPL8wBuTGsMnR\"\n      ],\n      \"minLength\": 16,\n      \"pattern\": \"^(z[1-9A-HJ-NP-Za-km-z]+|u[A-Za-z0-9_-]+)$\",\n      \"title\": \"DigestMultibase\",\n      \"type\": \"string\"\n    },\n    \"Ext\": {\n      \"additionalProperties\": true,\n      \"description\": \"Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.\",\n      \"minProperties\": 1,\n      \"propertyNames\": {\n        \"pattern\": \"^[a-z][a-z0-9-]*(\\\\.[a-z0-9-]+)+$\"\n      },\n      \"title\": \"Ext\",\n      \"type\": \"object\"\n    },\n    \"Response\": {\n      \"$anchor\": \"response\",\n      \"additionalProperties\": false,\n      \"properties\": {\n        \"cursor\": {\n          \"description\": \"Opaque continuation token for the next page. Present iff `truncated` is true.\",\n          \"type\": \"string\"\n        },\n        \"entries\": {\n          \"description\": \"The matching audit entries, newest first.\",\n          \"items\": {\n            \"$ref\": \"#/$defs/AuditEnvelope\"\n          },\n          \"type\": \"array\"\n        },\n        \"ext\": {\n          \"$ref\": \"#/$defs/Ext\"\n        },\n        \"truncated\": {\n          \"description\": \"True when more entries match beyond this page — `cursor` is then present to fetch them.\",\n          \"type\": \"boolean\"\n        }\n      },\n      \"required\": [\n        \"entries\",\n        \"truncated\"\n      ],\n      \"title\": \"Audit List — response payload\",\n      \"type\": \"object\"\n    }\n  },\n  \"$id\": \"https://trusttasks.org/spec/audit/list/0.1\",\n  \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n  \"additionalProperties\": false,\n  \"properties\": {\n    \"action\": {\n      \"description\": \"Return only entries whose `action` equals this value.\",\n      \"minLength\": 1,\n      \"type\": \"string\"\n    },\n    \"actor\": {\n      \"description\": \"Return only entries whose `actor` DID equals this value. Matches on the plaintext; redacted entries are not returned by an actor filter.\",\n      \"minLength\": 1,\n      \"type\": \"string\"\n    },\n    \"contextId\": {\n      \"description\": \"Return only entries in this trust context.\",\n      \"minLength\": 1,\n      \"type\": \"string\"\n    },\n    \"cursor\": {\n      \"description\": \"Opaque continuation token from a previous response's `cursor`. Encodes the position to resume from; a maintainer SHOULD sign it so it cannot be forged to skip entries. Treated as invalid (see errorCodes) if it fails to verify — e.g. minted before an audit-key rotation. A consumer that supplies a `cursor` MUST NOT also change the filters, which are bound into the cursor's position.\",\n      \"type\": \"string\"\n    },\n    \"ext\": {\n      \"$ref\": \"#/$defs/Ext\"\n    },\n    \"from\": {\n      \"description\": \"Return only entries recorded at or after this time.\",\n      \"format\": \"date-time\",\n      \"type\": \"string\"\n    },\n    \"outcome\": {\n      \"description\": \"Return only entries whose `outcome` equals this value.\",\n      \"minLength\": 1,\n      \"type\": \"string\"\n    },\n    \"pageSize\": {\n      \"description\": \"Maximum entries to return in this page.\",\n      \"maximum\": 1000,\n      \"minimum\": 1,\n      \"type\": \"integer\"\n    },\n    \"to\": {\n      \"description\": \"Return only entries recorded strictly before this time.\",\n      \"format\": \"date-time\",\n      \"type\": \"string\"\n    }\n  },\n  \"title\": \"Audit List — payload\",\n  \"type\": \"object\"\n}\n",
    );
}
impl crate::Payload for Response {
    const TYPE_URI: &'static str = "https://trusttasks.org/spec/audit/list/0.1#response";
    const IS_PROOF_REQUIRED: bool = true;
    const IS_ISSUED_AT_REQUIRED: bool = true;
    const IS_RECIPIENT_REQUIRED: bool = true;
    const PAYLOAD_SCHEMA: Option<&'static str> = Some(
        "{\n  \"$defs\": {\n    \"AuditEnvelope\": {\n      \"$anchor\": \"auditEnvelope\",\n      \"additionalProperties\": false,\n      \"description\": \"One entry in an append-only audit log. Only eventId/recordedAt/action are universal; every other field is populated by maintainers that track it. `prevHash`/`entryHash` are present on hash-chained logs (see audit/verify) and absent otherwise. Principal DIDs are plaintext and MAY be absent when a right-to-be-forgotten redaction has nulled them after the fact.\",\n      \"properties\": {\n        \"action\": {\n          \"description\": \"The operation this entry records — a maintainer-defined action name (e.g. `member.removed`, `policy.activated`). The discriminator for `detail`.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"actor\": {\n          \"description\": \"DID of the principal that performed the action. `null` when a right-to-be-forgotten redaction has removed the plaintext; a maintainer that keeps a keyed hash of the actor for correlation carries it in `ext`, not here.\",\n          \"type\": [\n            \"string\",\n            \"null\"\n          ]\n        },\n        \"contextId\": {\n          \"description\": \"Trust context the event occurred in, for a maintainer that partitions its log per context.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"detail\": {\n          \"additionalProperties\": true,\n          \"description\": \"Event-specific payload, keyed by `action`. Opaque to the framework; a consumer that does not recognise the action treats it as an unstructured record.\",\n          \"type\": \"object\"\n        },\n        \"entryHash\": {\n          \"$ref\": \"#/$defs/DigestMultibase\",\n          \"description\": \"Hash-chain commitment over this entry's immutable content. The next entry's `prevHash` points here. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of that content; the canonicalization is what makes the commitment reproducible by a verifier that did not write the entry.\"\n        },\n        \"eventId\": {\n          \"description\": \"Stable identifier for this event. Also the tie-breaker component of a cursor's position key.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"ext\": {\n          \"$ref\": \"#/$defs/Ext\"\n        },\n        \"outcome\": {\n          \"description\": \"How the operation resolved. Typically `success` or `denied`; a maintainer MAY use others. Absent for events that have no pass/fail sense.\",\n          \"type\": \"string\"\n        },\n        \"prevHash\": {\n          \"$ref\": \"#/$defs/DigestMultibase\",\n          \"description\": \"Hash-chain link: the `entryHash` of the immediately-preceding entry. Present only on chained logs; its integrity is what audit/verify checks. Multibase-encoded multihash over the RFC 8785 (JCS) canonicalization of the predecessor's immutable content — the same derivation as `entryHash`, so a verifier recomputes both the same way.\"\n        },\n        \"recordedAt\": {\n          \"description\": \"Wall-clock time the entry was written. The primary ordering key.\",\n          \"format\": \"date-time\",\n          \"type\": \"string\"\n        },\n        \"schemaVersion\": {\n          \"description\": \"Envelope-shape version at the maintainer, for consumers that need to reason about wire-shape evolution.\",\n          \"minimum\": 0,\n          \"type\": \"integer\"\n        },\n        \"target\": {\n          \"description\": \"DID of the principal the action acted upon, when the event has one. `null`/absent for events whose target is the maintainer itself. Same redaction semantics as `actor`.\",\n          \"type\": [\n            \"string\",\n            \"null\"\n          ]\n        }\n      },\n      \"required\": [\n        \"eventId\",\n        \"recordedAt\",\n        \"action\"\n      ],\n      \"title\": \"AuditEnvelope\",\n      \"type\": \"object\"\n    },\n    \"DigestMultibase\": {\n      \"description\": \"A cryptographic digest as a multibase-encoded multihash — the encoding the W3C Verifiable Credentials Data Model 2.0 defines for `digestMultibase`, and the one `did:webvh` uses for its SCID and entry hashes.\\n\\nMultihash carries the hash algorithm in-band, so the value is self-describing and the wire format survives an algorithm change without a schema revision; multibase does the same for the base encoding, so a verifier never infers base58 from base64url by context. A bare hex string or a `sha-256:`-style prefix hard-codes one algorithm into the wire contract and is non-conforming here.\\n\\nThis definition constrains the *encoding only*. What the digest is computed over is stated by each referencing field, because it differs legitimately: a digest over a JSON document is taken over its RFC 8785 (JCS) canonicalization, while a digest over an opaque artifact is taken over its bytes. A field whose input is a JSON document and which does not name a canonicalization is not reproducible.\\n\\nRestricted to the two multibase headers W3C Controlled Identifiers 1.0 §2.4 normatively requires — `z` (base58btc) and `u` (base64url-no-pad). CID permits others but states that \\\"interoperability is not guaranteed between implementations using such values\\\", and a registry whose purpose is interoperability should not mint digests a conforming verifier may be unable to read. The alphabets are enforced rather than assumed: base58btc excludes 0, O, I and l, and an earlier permissive pattern let three published examples carry digests that were not valid base58 at all. base58btc is RECOMMENDED, for consistency with `did:key` and `did:webvh`.\",\n      \"examples\": [\n        \"zQmbWqxBEKC3P8tqsKc98xmWNzrzDtRLMiMPL8wBuTGsMnR\"\n      ],\n      \"minLength\": 16,\n      \"pattern\": \"^(z[1-9A-HJ-NP-Za-km-z]+|u[A-Za-z0-9_-]+)$\",\n      \"title\": \"DigestMultibase\",\n      \"type\": \"string\"\n    },\n    \"Ext\": {\n      \"additionalProperties\": true,\n      \"description\": \"Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.\",\n      \"minProperties\": 1,\n      \"propertyNames\": {\n        \"pattern\": \"^[a-z][a-z0-9-]*(\\\\.[a-z0-9-]+)+$\"\n      },\n      \"title\": \"Ext\",\n      \"type\": \"object\"\n    },\n    \"Response\": {\n      \"$anchor\": \"response\",\n      \"additionalProperties\": false,\n      \"properties\": {\n        \"cursor\": {\n          \"description\": \"Opaque continuation token for the next page. Present iff `truncated` is true.\",\n          \"type\": \"string\"\n        },\n        \"entries\": {\n          \"description\": \"The matching audit entries, newest first.\",\n          \"items\": {\n            \"$ref\": \"#/$defs/AuditEnvelope\"\n          },\n          \"type\": \"array\"\n        },\n        \"ext\": {\n          \"$ref\": \"#/$defs/Ext\"\n        },\n        \"truncated\": {\n          \"description\": \"True when more entries match beyond this page — `cursor` is then present to fetch them.\",\n          \"type\": \"boolean\"\n        }\n      },\n      \"required\": [\n        \"entries\",\n        \"truncated\"\n      ],\n      \"title\": \"Audit List — response payload\",\n      \"type\": \"object\"\n    }\n  },\n  \"$ref\": \"#/$defs/Response\",\n  \"$schema\": \"https://json-schema.org/draft/2020-12/schema\"\n}\n",
    );
}
impl crate::RequestPayload for Payload {
    type Response = Response;
}
#[cfg(test)]
mod conformance {
    //! Round-trip tests harvested from the spec's `spec.md`,
    //! plus a `rejects_invalid_examples` test for any fixtures
    //! in `payload.invalid-examples.json` (validate feature).
    /// Each fixture in `payload.invalid-examples.json` MUST be
    /// rejected by at least one of: serde deserialization, or
    /// JSON-Schema validation under the `validate` feature. The
    /// fixture file documents the producer-side bug class that
    /// each payload exemplifies; this generated test pins it.
    #[cfg(feature = "validate")]
    #[test]
    fn rejects_invalid_examples() {
        use crate::validate::ValidatedPayload;
        let fixtures: &[(&str, &str)] = &[
            (
                "Unknown top-level member is rejected (additionalProperties: false).",
                "{\n  \"__notARealMember__\": true,\n  \"action\": \"member.removed\"\n}",
            ),
            (
                "`pageSize` is capped at 1000.",
                "{\n  \"pageSize\": 5000\n}",
            ),
            ("`pageSize` must be at least 1.", "{\n  \"pageSize\": 0\n}"),
            (
                "`from` must be a date-time.",
                "{\n  \"from\": \"yesterday\"\n}",
            ),
        ];
        for (i, (note, raw)) in fixtures.iter().enumerate() {
            let value: serde_json::Value = match serde_json::from_str(raw) {
                Ok(v) => v,
                Err(_) => continue,
            };
            let serde_ok = serde_json::from_value::<super::Payload>(value.clone()).is_ok();
            let schema_ok = super::Payload::validate_value(&value).is_ok();
            assert!(
                !(serde_ok && schema_ok),
                "invalid-example #{} ({:?}) was accepted by both serde and JSON Schema; \
                         the fixture's stated failure class is no longer caught:\n{}",
                i + 1,
                note,
                raw
            );
        }
    }
}