aws_sdk_sts/

config.rs

// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
#![allow(clippy::empty_line_after_doc_comments)]
/// Configuration for a aws_sdk_sts service client.
///
/// Service configuration allows for customization of endpoints, region, credentials providers,
/// and retry configuration. Generally, it is constructed automatically for you from a shared
/// configuration loaded by the `aws-config` crate. For example:
///
/// ```ignore
/// // Load a shared config from the environment
/// let shared_config = aws_config::from_env().load().await;
/// // The client constructor automatically converts the shared config into the service config
/// let client = Client::new(&shared_config);
/// ```
///
/// The service config can also be constructed manually using its builder.
///
#[derive(::std::clone::Clone, ::std::fmt::Debug)]
pub struct Config {
    // Both `config` and `cloneable` are the same config, but the cloneable one
    // is kept around so that it is possible to convert back into a builder. This can be
    // optimized in the future.
    pub(crate) config: crate::config::FrozenLayer,
    cloneable: ::aws_smithy_types::config_bag::CloneableLayer,
    pub(crate) runtime_components: crate::config::RuntimeComponentsBuilder,
    pub(crate) runtime_plugins: ::std::vec::Vec<crate::config::SharedRuntimePlugin>,
    pub(crate) behavior_version: ::std::option::Option<crate::config::BehaviorVersion>,
}
impl Config {
    ///
    /// Constructs a config builder.
    /// <div class="warning">
    /// Note that a config created from this builder will not have the same safe defaults as one created by
    /// the <a href="https://crates.io/crates/aws-config" target="_blank">aws-config</a> crate.
    /// </div>
    ///
    pub fn builder() -> Builder {
        Builder::default()
    }
    /// Converts this config back into a builder so that it can be tweaked.
    pub fn to_builder(&self) -> Builder {
        Builder {
            config: self.cloneable.clone(),
            runtime_components: self.runtime_components.clone(),
            runtime_plugins: self.runtime_plugins.clone(),
            behavior_version: self.behavior_version,
        }
    }
    /// Return a reference to the stalled stream protection configuration contained in this config, if any.
    pub fn stalled_stream_protection(&self) -> ::std::option::Option<&crate::config::StalledStreamProtectionConfig> {
        self.config.load::<crate::config::StalledStreamProtectionConfig>()
    }
    /// Return the [`SharedHttpClient`](crate::config::SharedHttpClient) to use when making requests, if any.
    pub fn http_client(&self) -> Option<crate::config::SharedHttpClient> {
        self.runtime_components.http_client()
    }
    /// Return the auth schemes configured on this service config
    pub fn auth_schemes(&self) -> impl Iterator<Item = ::aws_smithy_runtime_api::client::auth::SharedAuthScheme> + '_ {
        self.runtime_components.auth_schemes()
    }

    /// Return the auth scheme resolver configured on this service config
    pub fn auth_scheme_resolver(&self) -> ::std::option::Option<::aws_smithy_runtime_api::client::auth::SharedAuthSchemeOptionResolver> {
        self.runtime_components.auth_scheme_option_resolver()
    }
    /// Returns the configured auth scheme preference
    pub fn auth_scheme_preference(&self) -> ::std::option::Option<&::aws_smithy_runtime_api::client::auth::AuthSchemePreference> {
        self.config.load::<::aws_smithy_runtime_api::client::auth::AuthSchemePreference>()
    }
    /// Returns the endpoint resolver.
    pub fn endpoint_resolver(&self) -> ::aws_smithy_runtime_api::client::endpoint::SharedEndpointResolver {
        self.runtime_components.endpoint_resolver().expect("resolver defaulted if not set")
    }
    /// Return a reference to the retry configuration contained in this config, if any.
    pub fn retry_config(&self) -> ::std::option::Option<&::aws_smithy_types::retry::RetryConfig> {
        self.config.load::<::aws_smithy_types::retry::RetryConfig>()
    }

    /// Return a cloned shared async sleep implementation from this config, if any.
    pub fn sleep_impl(&self) -> ::std::option::Option<crate::config::SharedAsyncSleep> {
        self.runtime_components.sleep_impl()
    }

    /// Return a reference to the timeout configuration contained in this config, if any.
    pub fn timeout_config(&self) -> ::std::option::Option<&::aws_smithy_types::timeout::TimeoutConfig> {
        self.config.load::<::aws_smithy_types::timeout::TimeoutConfig>()
    }

    /// Returns a reference to the retry partition contained in this config, if any.
    ///
    /// WARNING: This method is unstable and may be removed at any time. Do not rely on this
    /// method for anything!
    pub fn retry_partition(&self) -> ::std::option::Option<&::aws_smithy_runtime::client::retries::RetryPartition> {
        self.config.load::<::aws_smithy_runtime::client::retries::RetryPartition>()
    }
    /// Returns the configured identity cache for auth.
    pub fn identity_cache(&self) -> ::std::option::Option<crate::config::SharedIdentityCache> {
        self.runtime_components.identity_cache()
    }
    /// Returns interceptors currently registered by the user.
    pub fn interceptors(&self) -> impl Iterator<Item = crate::config::SharedInterceptor> + '_ {
        self.runtime_components.interceptors()
    }
    /// Return time source used for this service.
    pub fn time_source(&self) -> ::std::option::Option<::aws_smithy_async::time::SharedTimeSource> {
        self.runtime_components.time_source()
    }
    /// Returns retry classifiers currently registered by the user.
    pub fn retry_classifiers(&self) -> impl Iterator<Item = ::aws_smithy_runtime_api::client::retries::classifiers::SharedRetryClassifier> + '_ {
        self.runtime_components.retry_classifiers()
    }
    /// Returns the name of the app that is using the client, if it was provided.
    ///
    /// This _optional_ name is used to identify the application in the user agent that
    /// gets sent along with requests.
    pub fn app_name(&self) -> ::std::option::Option<&::aws_types::app_name::AppName> {
        self.config.load::<::aws_types::app_name::AppName>()
    }
    /// Returns the framework metadata that has been configured, if any.
    ///
    /// This _optional_ metadata identifies software frameworks or third-party libraries
    /// being used with the client, rendered into the user agent as `lib/{name}/{version}`.
    /// Entries are returned in first-seen (insertion) order, matching the order they are
    /// rendered into the user agent.
    pub fn framework_metadata(&self) -> ::std::vec::Vec<&::aws_types::sdk_ua_metadata::FrameworkMetadata> {
        // `StoreAppend` loads entries newest-first; reverse to first-seen order so
        // this getter agrees with both the user agent and `SdkConfig::framework_metadata`.
        let mut entries: ::std::vec::Vec<&::aws_types::sdk_ua_metadata::FrameworkMetadata> =
            self.config.load::<::aws_types::sdk_ua_metadata::FrameworkMetadata>().collect();
        entries.reverse();
        entries
    }
    /// Returns the invocation ID generator if one was given in config.
    ///
    /// The invocation ID generator generates ID values for the `amz-sdk-invocation-id` header. By default, this will be a random UUID. Overriding it may be useful in tests that examine the HTTP request and need to be deterministic.
    pub fn invocation_id_generator(&self) -> ::std::option::Option<::aws_runtime::invocation_id::SharedInvocationIdGenerator> {
        self.config.load::<::aws_runtime::invocation_id::SharedInvocationIdGenerator>().cloned()
    }
    /// Creates a new [service config](crate::Config) from a [shared `config`](::aws_types::sdk_config::SdkConfig).
    pub fn new(config: &::aws_types::sdk_config::SdkConfig) -> Self {
        Builder::from(config).build()
    }
    /// The signature version 4 service signing name to use in the credential scope when signing requests.
    ///
    /// The signing service may be overridden by the `Endpoint`, or by specifying a custom
    /// [`SigningName`](aws_types::SigningName) during operation construction
    pub fn signing_name(&self) -> &'static str {
        "sts"
    }
    /// Returns the SigV4a signing region set, if configured.
    pub fn sigv4a_signing_region_set(&self) -> Option<&::aws_types::region::SigningRegionSet> {
        self.config.load::<::aws_types::region::SigningRegionSet>()
    }
    /// Returns the AWS region, if it was provided.
    pub fn region(&self) -> ::std::option::Option<&crate::config::Region> {
        self.config.load::<crate::config::Region>()
    }
    /// This function was intended to be removed, and has been broken since release-2023-11-15 as it always returns a `None`. Do not use.
    #[deprecated(
        note = "This function was intended to be removed, and has been broken since release-2023-11-15 as it always returns a `None`. Do not use."
    )]
    pub fn credentials_provider(&self) -> Option<crate::config::SharedCredentialsProvider> {
        ::std::option::Option::None
    }
}
/// Builder for creating a `Config`.
#[derive(::std::clone::Clone, ::std::fmt::Debug)]
pub struct Builder {
    pub(crate) config: ::aws_smithy_types::config_bag::CloneableLayer,
    pub(crate) runtime_components: crate::config::RuntimeComponentsBuilder,
    pub(crate) runtime_plugins: ::std::vec::Vec<crate::config::SharedRuntimePlugin>,
    pub(crate) behavior_version: ::std::option::Option<crate::config::BehaviorVersion>,
}
impl ::std::default::Default for Builder {
    fn default() -> Self {
        Self {
            config: ::std::default::Default::default(),
            runtime_components: crate::config::RuntimeComponentsBuilder::new("service config"),
            runtime_plugins: ::std::default::Default::default(),
            behavior_version: ::std::default::Default::default(),
        }
    }
}
impl Builder {
    ///
    /// Constructs a config builder.
    /// <div class="warning">
    /// Note that a config created from this builder will not have the same safe defaults as one created by
    /// the <a href="https://crates.io/crates/aws-config" target="_blank">aws-config</a> crate.
    /// </div>
    ///
    pub fn new() -> Self {
        Self::default()
    }
    /// Constructs a config builder from the given `config_bag`, setting only fields stored in the config bag,
    /// but not those in runtime components.
    #[allow(unused)]
    pub(crate) fn from_config_bag(config_bag: &::aws_smithy_types::config_bag::ConfigBag) -> Self {
        let mut builder = Self::new();
        builder.set_stalled_stream_protection(config_bag.load::<crate::config::StalledStreamProtectionConfig>().cloned());
        builder.set_auth_scheme_preference(config_bag.load::<::aws_smithy_runtime_api::client::auth::AuthSchemePreference>().cloned());
        builder.set_retry_config(config_bag.load::<::aws_smithy_types::retry::RetryConfig>().cloned());
        builder.set_timeout_config(config_bag.load::<::aws_smithy_types::timeout::TimeoutConfig>().cloned());
        builder.set_retry_partition(config_bag.load::<::aws_smithy_runtime::client::retries::RetryPartition>().cloned());
        builder.set_app_name(config_bag.load::<::aws_types::app_name::AppName>().cloned());
        for framework_metadata in config_bag.load::<::aws_types::sdk_ua_metadata::FrameworkMetadata>() {
            builder.push_framework_metadata(framework_metadata.clone());
        }
        builder.set_endpoint_url(config_bag.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()));
        builder.set_use_dual_stack(config_bag.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0));
        builder.set_use_fips(config_bag.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0));
        builder.set_sigv4a_signing_region_set(config_bag.load::<::aws_types::region::SigningRegionSet>().cloned());
        builder.set_region(config_bag.load::<crate::config::Region>().cloned());
        builder
    }
    /// Set the [`StalledStreamProtectionConfig`](crate::config::StalledStreamProtectionConfig)
    /// to configure protection for stalled streams.
    pub fn stalled_stream_protection(mut self, stalled_stream_protection_config: crate::config::StalledStreamProtectionConfig) -> Self {
        self.set_stalled_stream_protection(::std::option::Option::Some(stalled_stream_protection_config));
        self
    }
    /// Set the [`StalledStreamProtectionConfig`](crate::config::StalledStreamProtectionConfig)
    /// to configure protection for stalled streams.
    pub fn set_stalled_stream_protection(
        &mut self,
        stalled_stream_protection_config: ::std::option::Option<crate::config::StalledStreamProtectionConfig>,
    ) -> &mut Self {
        self.config.store_or_unset(stalled_stream_protection_config);
        self
    }
    /// Sets the HTTP client to use when making requests.
    ///
    /// # Examples
    /// ```no_run
    /// # #[cfg(test)]
    /// # mod tests {
    /// # #[test]
    /// # fn example() {
    /// use std::time::Duration;
    /// use aws_sdk_sts::config::Config;
    /// use aws_smithy_runtime::client::http::hyper_014::HyperClientBuilder;
    ///
    /// let https_connector = hyper_rustls::HttpsConnectorBuilder::new()
    ///     .with_webpki_roots()
    ///     .https_only()
    ///     .enable_http1()
    ///     .enable_http2()
    ///     .build();
    /// let hyper_client = HyperClientBuilder::new().build(https_connector);
    ///
    /// // This connector can then be given to a generated service Config
    /// let config = my_service_client::Config::builder()
    ///     .endpoint_url("https://example.com")
    ///     .http_client(hyper_client)
    ///     .build();
    /// let client = my_service_client::Client::from_conf(config);
    /// # }
    /// # }
    /// ```
    pub fn http_client(mut self, http_client: impl crate::config::HttpClient + 'static) -> Self {
        self.set_http_client(::std::option::Option::Some(crate::config::IntoShared::into_shared(http_client)));
        self
    }

    /// Sets the HTTP client to use when making requests.
    ///
    /// # Examples
    /// ```no_run
    /// # #[cfg(test)]
    /// # mod tests {
    /// # #[test]
    /// # fn example() {
    /// use std::time::Duration;
    /// use aws_sdk_sts::config::{Builder, Config};
    /// use aws_smithy_runtime::client::http::hyper_014::HyperClientBuilder;
    ///
    /// fn override_http_client(builder: &mut Builder) {
    ///     let https_connector = hyper_rustls::HttpsConnectorBuilder::new()
    ///         .with_webpki_roots()
    ///         .https_only()
    ///         .enable_http1()
    ///         .enable_http2()
    ///         .build();
    ///     let hyper_client = HyperClientBuilder::new().build(https_connector);
    ///     builder.set_http_client(Some(hyper_client));
    /// }
    ///
    /// let mut builder = aws_sdk_sts::Config::builder();
    /// override_http_client(&mut builder);
    /// let config = builder.build();
    /// # }
    /// # }
    /// ```
    pub fn set_http_client(&mut self, http_client: Option<crate::config::SharedHttpClient>) -> &mut Self {
        self.runtime_components.set_http_client(http_client);
        self
    }
    /// Adds an auth scheme to the builder
    ///
    /// If `auth_scheme` has an existing [AuthSchemeId](aws_smithy_runtime_api::client::auth::AuthSchemeId) in the runtime, the current identity
    /// resolver and signer for that scheme will be replaced by those from `auth_scheme`.
    ///
    /// _Important:_ When introducing a custom auth scheme, ensure you override either
    /// [`Self::auth_scheme_resolver`] or [`Self::set_auth_scheme_resolver`]
    /// so that the custom auth scheme is included in the list of resolved auth scheme options.
    /// [The default auth scheme resolver](crate::config::auth::DefaultAuthSchemeResolver) will not recognize your custom auth scheme.
    ///
    /// # Examples
    /// ```no_run
    /// # use aws_smithy_runtime_api::{
    /// #     box_error::BoxError,
    /// #     client::{
    /// #         auth::{
    /// #             AuthScheme, AuthSchemeEndpointConfig, AuthSchemeId, AuthSchemeOption,
    /// #             AuthSchemeOptionsFuture, Sign,
    /// #         },
    /// #         identity::{Identity, IdentityFuture, ResolveIdentity, SharedIdentityResolver},
    /// #         orchestrator::HttpRequest,
    /// #         runtime_components::{GetIdentityResolver, RuntimeComponents},
    /// #   },
    /// #   shared::IntoShared,
    /// # };
    /// # use aws_smithy_types::config_bag::ConfigBag;
    /// // Auth scheme with customer identity resolver and signer
    /// #[derive(Debug)]
    /// struct CustomAuthScheme {
    ///     id: AuthSchemeId,
    ///     identity_resolver: SharedIdentityResolver,
    ///     signer: CustomSigner,
    /// }
    /// impl Default for CustomAuthScheme {
    ///     fn default() -> Self {
    ///         Self {
    ///             id: AuthSchemeId::new("custom"),
    ///             identity_resolver: CustomIdentityResolver.into_shared(),
    ///             signer: CustomSigner,
    ///         }
    ///     }
    /// }
    /// impl AuthScheme for CustomAuthScheme {
    ///     fn scheme_id(&self) -> AuthSchemeId {
    ///         self.id.clone()
    ///     }
    ///     fn identity_resolver(
    ///         &self,
    ///         _identity_resolvers: &dyn GetIdentityResolver,
    ///     ) -> Option<SharedIdentityResolver> {
    ///         Some(self.identity_resolver.clone())
    ///     }
    ///     fn signer(&self) -> &dyn Sign {
    ///         &self.signer
    ///     }
    /// }
    ///
    /// #[derive(Debug, Default)]
    /// struct CustomSigner;
    /// impl Sign for CustomSigner {
    ///     fn sign_http_request(
    ///         &self,
    ///         _request: &mut HttpRequest,
    ///         _identity: &Identity,
    ///         _auth_scheme_endpoint_config: AuthSchemeEndpointConfig<'_>,
    ///         _runtime_components: &RuntimeComponents,
    ///         _config_bag: &ConfigBag,
    ///     ) -> Result<(), BoxError> {
    ///         // --snip--
    /// #      todo!()
    ///     }
    /// }
    ///
    /// #[derive(Debug)]
    /// struct CustomIdentityResolver;
    /// impl ResolveIdentity for CustomIdentityResolver {
    ///     fn resolve_identity<'a>(
    ///         &'a self,
    ///         _runtime_components: &'a RuntimeComponents,
    ///         _config_bag: &'a ConfigBag,
    ///     ) -> IdentityFuture<'a> {
    ///         // --snip--
    /// #      todo!()
    ///     }
    /// }
    ///
    /// // Auth scheme resolver that favors `CustomAuthScheme`
    /// #[derive(Debug)]
    /// struct CustomAuthSchemeResolver;
    /// impl aws_sdk_sts::config::auth::ResolveAuthScheme for CustomAuthSchemeResolver {
    ///     fn resolve_auth_scheme<'a>(
    ///         &'a self,
    ///         _params: &'a aws_sdk_sts::config::auth::Params,
    ///         _cfg: &'a ConfigBag,
    ///         _runtime_components: &'a RuntimeComponents,
    ///     ) -> AuthSchemeOptionsFuture<'a> {
    ///         AuthSchemeOptionsFuture::ready(Ok(vec![AuthSchemeOption::from(AuthSchemeId::new(
    ///             "custom",
    ///         ))]))
    ///     }
    /// }
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .push_auth_scheme(CustomAuthScheme::default())
    ///     .auth_scheme_resolver(CustomAuthSchemeResolver)
    ///     // other configurations
    ///     .build();
    /// ```
    pub fn push_auth_scheme(mut self, auth_scheme: impl ::aws_smithy_runtime_api::client::auth::AuthScheme + 'static) -> Self {
        self.runtime_components.push_auth_scheme(auth_scheme);
        self
    }

    /// Set the auth scheme resolver for the builder
    ///
    /// # Examples
    /// ```no_run
    /// # use aws_smithy_runtime_api::{
    /// #     client::{
    /// #         auth::AuthSchemeOptionsFuture,
    /// #         runtime_components::RuntimeComponents,
    /// #   },
    /// # };
    /// # use aws_smithy_types::config_bag::ConfigBag;
    /// #[derive(Debug)]
    /// struct CustomAuthSchemeResolver;
    /// impl aws_sdk_sts::config::auth::ResolveAuthScheme for CustomAuthSchemeResolver {
    ///     fn resolve_auth_scheme<'a>(
    ///         &'a self,
    ///         _params: &'a aws_sdk_sts::config::auth::Params,
    ///         _cfg: &'a ConfigBag,
    ///         _runtime_components: &'a RuntimeComponents,
    ///     ) -> AuthSchemeOptionsFuture<'a> {
    ///         // --snip--
    /// #      todo!()
    ///     }
    /// }
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .auth_scheme_resolver(CustomAuthSchemeResolver)
    ///     // other configurations
    ///     .build();
    /// ```
    pub fn auth_scheme_resolver(mut self, auth_scheme_resolver: impl crate::config::auth::ResolveAuthScheme + 'static) -> Self {
        self.set_auth_scheme_resolver(auth_scheme_resolver);
        self
    }

    /// Set the auth scheme resolver for the builder
    ///
    /// # Examples
    /// See an example for [`Self::auth_scheme_resolver`].
    pub fn set_auth_scheme_resolver(&mut self, auth_scheme_resolver: impl crate::config::auth::ResolveAuthScheme + 'static) -> &mut Self {
        self.runtime_components
            .set_auth_scheme_option_resolver(::std::option::Option::Some(auth_scheme_resolver.into_shared_resolver()));
        self
    }

    /// Enable no authentication regardless of what authentication mechanisms operations support
    ///
    /// This adds [NoAuthScheme](aws_smithy_runtime::client::auth::no_auth::NoAuthScheme) as a fallback
    /// and the auth scheme resolver will use it when no other auth schemes are applicable.
    pub fn allow_no_auth(mut self) -> Self {
        self.set_allow_no_auth();
        self
    }

    /// Enable no authentication regardless of what authentication mechanisms operations support
    ///
    /// This adds [NoAuthScheme](aws_smithy_runtime::client::auth::no_auth::NoAuthScheme) as a fallback
    /// and the auth scheme resolver will use it when no other auth schemes are applicable.
    pub fn set_allow_no_auth(&mut self) -> &mut Self {
        self.push_runtime_plugin(::aws_smithy_runtime::client::auth::no_auth::NoAuthRuntimePluginV2::new().into_shared());
        self
    }
    /// Set the auth scheme preference for an auth scheme resolver
    /// (typically the default auth scheme resolver).
    ///
    /// Each operation has a predefined order of auth schemes, as determined by the service,
    /// for auth scheme resolution. By using the auth scheme preference, customers
    /// can reorder the schemes resolved by the auth scheme resolver.
    ///
    /// The preference list is intended as a hint rather than a strict override.
    /// Any schemes not present in the originally resolved auth schemes will be ignored.
    ///
    /// # Examples
    ///
    /// ```no_run
    /// # use aws_smithy_runtime_api::client::auth::AuthSchemeId;
    /// let config = aws_sdk_sts::Config::builder()
    ///     .auth_scheme_preference([AuthSchemeId::from("scheme1"), AuthSchemeId::from("scheme2")])
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```

    pub fn auth_scheme_preference(
        mut self,
        preference: impl ::std::convert::Into<::aws_smithy_runtime_api::client::auth::AuthSchemePreference>,
    ) -> Self {
        self.set_auth_scheme_preference(::std::option::Option::Some(preference.into()));
        self
    }

    /// Set the auth scheme preference for an auth scheme resolver
    /// (typically the default auth scheme resolver).
    ///
    /// Each operation has a predefined order of auth schemes, as determined by the service,
    /// for auth scheme resolution. By using the auth scheme preference, customers
    /// can reorder the schemes resolved by the auth scheme resolver.
    ///
    /// The preference list is intended as a hint rather than a strict override.
    /// Any schemes not present in the originally resolved auth schemes will be ignored.
    ///
    /// # Examples
    ///
    /// ```no_run
    /// # use aws_smithy_runtime_api::client::auth::AuthSchemeId;
    /// let config = aws_sdk_sts::Config::builder()
    ///     .auth_scheme_preference([AuthSchemeId::from("scheme1"), AuthSchemeId::from("scheme2")])
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```

    pub fn set_auth_scheme_preference(
        &mut self,
        preference: ::std::option::Option<::aws_smithy_runtime_api::client::auth::AuthSchemePreference>,
    ) -> &mut Self {
        self.config.store_or_unset(preference);
        self
    }
    /// Sets the endpoint resolver to use when making requests.
    ///
    ///
    /// When unset, the client will used a generated endpoint resolver based on the endpoint resolution
    /// rules for `aws_sdk_sts`.
    ///
    ///
    /// Note: setting an endpoint resolver will replace any endpoint URL that has been set.
    /// This method accepts an endpoint resolver [specific to this service](crate::config::endpoint::ResolveEndpoint). If you want to
    /// provide a shared endpoint resolver, use [`Self::set_endpoint_resolver`].
    ///
    /// # Examples
    /// Create a custom endpoint resolver that resolves a different endpoing per-stage, e.g. staging vs. production.
    /// ```no_run
    /// use aws_sdk_sts::config::endpoint::{ResolveEndpoint, EndpointFuture, Params, Endpoint};
    /// #[derive(Debug)]
    /// struct StageResolver { stage: String }
    /// impl ResolveEndpoint for StageResolver {
    ///     fn resolve_endpoint(&self, params: &Params) -> EndpointFuture<'_> {
    ///         let stage = &self.stage;
    ///         EndpointFuture::ready(Ok(Endpoint::builder().url(format!("{stage}.myservice.com")).build()))
    ///     }
    /// }
    /// let resolver = StageResolver { stage: std::env::var("STAGE").unwrap() };
    /// let config = aws_sdk_sts::Config::builder().endpoint_resolver(resolver).build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    pub fn endpoint_resolver(mut self, endpoint_resolver: impl crate::config::endpoint::ResolveEndpoint + 'static) -> Self {
        self.set_endpoint_resolver(::std::option::Option::Some(endpoint_resolver.into_shared_resolver()));
        self
    }

    /// Sets the endpoint resolver to use when making requests.
    ///
    ///
    /// When unset, the client will used a generated endpoint resolver based on the endpoint resolution
    /// rules for `aws_sdk_sts`.
    ///
    pub fn set_endpoint_resolver(
        &mut self,
        endpoint_resolver: ::std::option::Option<::aws_smithy_runtime_api::client::endpoint::SharedEndpointResolver>,
    ) -> &mut Self {
        self.runtime_components.set_endpoint_resolver(endpoint_resolver);
        self
    }
    /// Set the retry_config for the builder
    ///
    /// # Examples
    /// ```no_run
    /// use aws_sdk_sts::config::Config;
    /// use aws_sdk_sts::config::retry::RetryConfig;
    ///
    /// let retry_config = RetryConfig::standard().with_max_attempts(5);
    /// let config = Config::builder().retry_config(retry_config).build();
    /// ```
    pub fn retry_config(mut self, retry_config: ::aws_smithy_types::retry::RetryConfig) -> Self {
        self.set_retry_config(Some(retry_config));
        self
    }

    /// Set the retry_config for the builder
    ///
    /// # Examples
    /// ```no_run
    /// use aws_sdk_sts::config::{Builder, Config};
    /// use aws_sdk_sts::config::retry::RetryConfig;
    ///
    /// fn disable_retries(builder: &mut Builder) {
    ///     let retry_config = RetryConfig::standard().with_max_attempts(1);
    ///     builder.set_retry_config(Some(retry_config));
    /// }
    ///
    /// let mut builder = Config::builder();
    /// disable_retries(&mut builder);
    /// let config = builder.build();
    /// ```
    pub fn set_retry_config(&mut self, retry_config: ::std::option::Option<::aws_smithy_types::retry::RetryConfig>) -> &mut Self {
        retry_config.map(|r| self.config.store_put(r));
        self
    }
    /// Set the sleep_impl for the builder
    ///
    /// # Examples
    ///
    /// ```no_run
    /// use aws_sdk_sts::config::{AsyncSleep, Config, SharedAsyncSleep, Sleep};
    ///
    /// #[derive(Debug)]
    /// pub struct ForeverSleep;
    ///
    /// impl AsyncSleep for ForeverSleep {
    ///     fn sleep(&self, duration: std::time::Duration) -> Sleep {
    ///         Sleep::new(std::future::pending())
    ///     }
    /// }
    ///
    /// let sleep_impl = SharedAsyncSleep::new(ForeverSleep);
    /// let config = Config::builder().sleep_impl(sleep_impl).build();
    /// ```
    pub fn sleep_impl(mut self, sleep_impl: impl crate::config::AsyncSleep + 'static) -> Self {
        self.set_sleep_impl(Some(::aws_smithy_runtime_api::shared::IntoShared::into_shared(sleep_impl)));
        self
    }

    /// Set the sleep_impl for the builder
    ///
    /// # Examples
    ///
    /// ```no_run
    /// use aws_sdk_sts::config::{AsyncSleep, Builder, Config, SharedAsyncSleep, Sleep};
    ///
    /// #[derive(Debug)]
    /// pub struct ForeverSleep;
    ///
    /// impl AsyncSleep for ForeverSleep {
    ///     fn sleep(&self, duration: std::time::Duration) -> Sleep {
    ///         Sleep::new(std::future::pending())
    ///     }
    /// }
    ///
    /// fn set_never_ending_sleep_impl(builder: &mut Builder) {
    ///     let sleep_impl = SharedAsyncSleep::new(ForeverSleep);
    ///     builder.set_sleep_impl(Some(sleep_impl));
    /// }
    ///
    /// let mut builder = Config::builder();
    /// set_never_ending_sleep_impl(&mut builder);
    /// let config = builder.build();
    /// ```
    pub fn set_sleep_impl(&mut self, sleep_impl: ::std::option::Option<crate::config::SharedAsyncSleep>) -> &mut Self {
        self.runtime_components.set_sleep_impl(sleep_impl);
        self
    }
    /// Set the timeout_config for the builder
    ///
    /// # Examples
    ///
    /// ```no_run
    /// # use std::time::Duration;
    /// use aws_sdk_sts::config::Config;
    /// use aws_sdk_sts::config::timeout::TimeoutConfig;
    ///
    /// let timeout_config = TimeoutConfig::builder()
    ///     .operation_attempt_timeout(Duration::from_secs(1))
    ///     .build();
    /// let config = Config::builder().timeout_config(timeout_config).build();
    /// ```
    pub fn timeout_config(mut self, timeout_config: ::aws_smithy_types::timeout::TimeoutConfig) -> Self {
        self.set_timeout_config(Some(timeout_config));
        self
    }

    /// Set the timeout_config for the builder.
    ///
    /// Setting this to `None` has no effect if another source of configuration has set timeouts. If you
    /// are attempting to disable timeouts, use [`TimeoutConfig::disabled`](::aws_smithy_types::timeout::TimeoutConfig::disabled)
    ///
    ///
    /// # Examples
    ///
    /// ```no_run
    /// # use std::time::Duration;
    /// use aws_sdk_sts::config::{Builder, Config};
    /// use aws_sdk_sts::config::timeout::TimeoutConfig;
    ///
    /// fn set_request_timeout(builder: &mut Builder) {
    ///     let timeout_config = TimeoutConfig::builder()
    ///         .operation_attempt_timeout(Duration::from_secs(1))
    ///         .build();
    ///     builder.set_timeout_config(Some(timeout_config));
    /// }
    ///
    /// let mut builder = Config::builder();
    /// set_request_timeout(&mut builder);
    /// let config = builder.build();
    /// ```
    pub fn set_timeout_config(&mut self, timeout_config: ::std::option::Option<::aws_smithy_types::timeout::TimeoutConfig>) -> &mut Self {
        // passing None has no impact.
        let Some(mut timeout_config) = timeout_config else { return self };

        if let Some(base) = self.config.load::<::aws_smithy_types::timeout::TimeoutConfig>() {
            timeout_config.take_defaults_from(base);
        }
        self.config.store_put(timeout_config);
        self
    }
    /// Set the partition for retry-related state. When clients share a retry partition, they will
    /// also share components such as token buckets and client rate limiters.
    /// See the [`RetryPartition`](::aws_smithy_runtime::client::retries::RetryPartition) documentation for more details.
    ///
    /// # Default Behavior
    ///
    /// When no retry partition is explicitly set, the SDK automatically creates a default retry partition named `sts`
    /// (or `sts-<region>` if a region is configured).
    /// All STS clients without an explicit retry partition will share this default partition.
    ///
    /// # Notes
    ///
    /// - This is an advanced setting — most users won't need to modify it.
    /// - A configured client rate limiter has no effect unless [`RetryConfig::adaptive`](::aws_smithy_types::retry::RetryConfig::adaptive) is used.
    ///
    /// # Examples
    ///
    /// Creating a custom retry partition with a token bucket:
    /// ```no_run
    /// use aws_sdk_sts::config::Config;
    /// use aws_sdk_sts::config::retry::{RetryPartition, TokenBucket};
    ///
    /// let token_bucket = TokenBucket::new(10);
    /// let config = Config::builder()
    ///     .retry_partition(RetryPartition::custom("custom")
    ///         .token_bucket(token_bucket)
    ///         .build()
    ///     )
    ///     .build();
    /// ```
    ///
    /// Configuring a client rate limiter with adaptive retry mode:
    /// ```no_run
    /// use aws_sdk_sts::config::Config;
    /// use aws_sdk_sts::config::retry::{ClientRateLimiter, RetryConfig, RetryPartition};
    ///
    /// let client_rate_limiter = ClientRateLimiter::new(10.0);
    /// let config = Config::builder()
    ///     .retry_partition(RetryPartition::custom("custom")
    ///         .client_rate_limiter(client_rate_limiter)
    ///         .build()
    ///     )
    ///     .retry_config(RetryConfig::adaptive())
    ///     .build();
    /// ```
    pub fn retry_partition(mut self, retry_partition: ::aws_smithy_runtime::client::retries::RetryPartition) -> Self {
        self.set_retry_partition(Some(retry_partition));
        self
    }
    /// Like [`Self::retry_partition`], but takes a mutable reference to the builder and an optional `RetryPartition`
    pub fn set_retry_partition(
        &mut self,
        retry_partition: ::std::option::Option<::aws_smithy_runtime::client::retries::RetryPartition>,
    ) -> &mut Self {
        retry_partition.map(|r| self.config.store_put(r));
        self
    }
    /// Set the identity cache for auth.
    ///
    /// The identity cache defaults to a lazy caching implementation that will resolve
    /// an identity when it is requested, and place it in the cache thereafter. Subsequent
    /// requests will take the value from the cache while it is still valid. Once it expires,
    /// the next request will result in refreshing the identity.
    ///
    /// This configuration allows you to disable or change the default caching mechanism.
    /// To use a custom caching mechanism, implement the [`ResolveCachedIdentity`](crate::config::ResolveCachedIdentity)
    /// trait and pass that implementation into this function.
    ///
    /// # Examples
    ///
    /// Disabling identity caching:
    /// ```no_run
    /// use aws_sdk_sts::config::IdentityCache;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .identity_cache(IdentityCache::no_cache())
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    /// Customizing lazy caching:
    /// ```no_run
    /// use aws_sdk_sts::config::IdentityCache;
    /// use std::time::Duration;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .identity_cache(
    ///         IdentityCache::lazy()
    ///             // change the load timeout to 10 seconds
    ///             .load_timeout(Duration::from_secs(10))
    ///             .build()
    ///     )
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    pub fn identity_cache(mut self, identity_cache: impl crate::config::ResolveCachedIdentity + 'static) -> Self {
        self.set_identity_cache(identity_cache);
        self
    }

    /// Set the identity cache for auth.
    ///
    /// The identity cache defaults to a lazy caching implementation that will resolve
    /// an identity when it is requested, and place it in the cache thereafter. Subsequent
    /// requests will take the value from the cache while it is still valid. Once it expires,
    /// the next request will result in refreshing the identity.
    ///
    /// This configuration allows you to disable or change the default caching mechanism.
    /// To use a custom caching mechanism, implement the [`ResolveCachedIdentity`](crate::config::ResolveCachedIdentity)
    /// trait and pass that implementation into this function.
    ///
    /// # Examples
    ///
    /// Disabling identity caching:
    /// ```no_run
    /// use aws_sdk_sts::config::IdentityCache;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .identity_cache(IdentityCache::no_cache())
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    /// Customizing lazy caching:
    /// ```no_run
    /// use aws_sdk_sts::config::IdentityCache;
    /// use std::time::Duration;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .identity_cache(
    ///         IdentityCache::lazy()
    ///             // change the load timeout to 10 seconds
    ///             .load_timeout(Duration::from_secs(10))
    ///             .build()
    ///     )
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    pub fn set_identity_cache(&mut self, identity_cache: impl crate::config::ResolveCachedIdentity + 'static) -> &mut Self {
        self.runtime_components.set_identity_cache(::std::option::Option::Some(identity_cache));
        self
    }
    /// Add an [interceptor](crate::config::Intercept) that runs at specific stages of the request execution pipeline.
    ///
    /// Interceptors targeted at a certain stage are executed according to the pre-defined priority.
    /// The SDK provides a default set of interceptors. An interceptor configured by this method
    /// will run after those default interceptors.
    ///
    /// # Examples
    /// ```no_run
    /// # fn example() {
    /// use aws_smithy_runtime_api::box_error::BoxError;
    /// use aws_smithy_runtime_api::client::interceptors::context::BeforeTransmitInterceptorContextMut;
    /// use aws_smithy_runtime_api::client::interceptors::Intercept;
    /// use aws_smithy_runtime_api::client::runtime_components::RuntimeComponents;
    /// use aws_smithy_types::config_bag::ConfigBag;
    /// use aws_sdk_sts::config::Config;
    /// use ::http::uri::Uri;
    ///
    /// fn base_url() -> String {
    ///     // ...
    ///     # String::new()
    /// }
    ///
    /// #[derive(Debug)]
    /// pub struct UriModifierInterceptor;
    /// impl Intercept for UriModifierInterceptor {
    ///     fn name(&self) -> &'static str {
    ///         "UriModifierInterceptor"
    ///     }
    ///     fn modify_before_signing(
    ///         &self,
    ///         context: &mut BeforeTransmitInterceptorContextMut<'_>,
    ///         _runtime_components: &RuntimeComponents,
    ///         _cfg: &mut ConfigBag,
    ///     ) -> Result<(), BoxError> {
    ///         let request = context.request_mut();
    ///         let uri = format!("{}{}", base_url(), request.uri());
    ///         *request.uri_mut() = uri.parse::<Uri>()?.into();
    ///
    ///         Ok(())
    ///     }
    /// }
    ///
    /// let config = Config::builder()
    ///     .interceptor(UriModifierInterceptor)
    ///     .build();
    /// # }
    /// ```
    pub fn interceptor(mut self, interceptor: impl crate::config::Intercept + 'static) -> Self {
        self.push_interceptor(crate::config::SharedInterceptor::new(interceptor));
        self
    }

    /// Like [`Self::interceptor`], but takes a [`SharedInterceptor`](crate::config::SharedInterceptor).
    pub fn push_interceptor(&mut self, interceptor: crate::config::SharedInterceptor) -> &mut Self {
        self.runtime_components.push_interceptor(interceptor);
        self
    }

    /// Set [`SharedInterceptor`](crate::config::SharedInterceptor)s for the builder.
    pub fn set_interceptors(&mut self, interceptors: impl IntoIterator<Item = crate::config::SharedInterceptor>) -> &mut Self {
        self.runtime_components.set_interceptors(interceptors.into_iter());
        self
    }
    /// Sets the time source used for this service
    pub fn time_source(mut self, time_source: impl ::aws_smithy_async::time::TimeSource + 'static) -> Self {
        self.set_time_source(::std::option::Option::Some(::aws_smithy_runtime_api::shared::IntoShared::into_shared(
            time_source,
        )));
        self
    }
    /// Sets the time source used for this service
    pub fn set_time_source(&mut self, time_source: ::std::option::Option<::aws_smithy_async::time::SharedTimeSource>) -> &mut Self {
        self.runtime_components.set_time_source(time_source);
        self
    }
    /// Add type implementing [`ClassifyRetry`](::aws_smithy_runtime_api::client::retries::classifiers::ClassifyRetry) that will be used by the
    /// [`RetryStrategy`](::aws_smithy_runtime_api::client::retries::RetryStrategy) to determine what responses should be retried.
    ///
    /// A retry classifier configured by this method will run according to its [priority](::aws_smithy_runtime_api::client::retries::classifiers::RetryClassifierPriority).
    ///
    /// # Examples
    /// ```no_run
    /// # fn example() {
    /// use aws_smithy_runtime_api::client::interceptors::context::InterceptorContext;
    /// use aws_smithy_runtime_api::client::orchestrator::OrchestratorError;
    /// use aws_smithy_runtime_api::client::retries::classifiers::{
    ///     ClassifyRetry, RetryAction, RetryClassifierPriority,
    /// };
    /// use aws_smithy_types::error::metadata::ProvideErrorMetadata;
    /// use aws_smithy_types::retry::ErrorKind;
    /// use std::error::Error as StdError;
    /// use std::marker::PhantomData;
    /// use std::fmt;
    /// use aws_sdk_sts::config::Config;
    /// # #[derive(Debug)]
    /// # struct SomeOperationError {}
    /// # impl StdError for SomeOperationError {}
    /// # impl fmt::Display for SomeOperationError {
    /// #    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { todo!() }
    /// # }
    /// # impl ProvideErrorMetadata for SomeOperationError {
    /// #    fn meta(&self) -> &aws_sdk_sts::error::ErrorMetadata { todo!() }
    /// # }
    ///
    /// const RETRYABLE_ERROR_CODES: &[&str] = &[
    ///     // List error codes to be retried here...
    /// ];
    ///
    /// // When classifying at an operation's error type, classifiers require a generic parameter.
    /// // When classifying the HTTP response alone, no generic is needed.
    /// #[derive(Debug, Default)]
    /// pub struct ExampleErrorCodeClassifier<E> {
    ///     _inner: PhantomData<E>,
    /// }
    ///
    /// impl<E> ExampleErrorCodeClassifier<E> {
    ///     pub fn new() -> Self {
    ///         Self {
    ///             _inner: PhantomData,
    ///         }
    ///     }
    /// }
    ///
    /// impl<E> ClassifyRetry for ExampleErrorCodeClassifier<E>
    /// where
    ///     // Adding a trait bound for ProvideErrorMetadata allows us to inspect the error code.
    ///     E: StdError + ProvideErrorMetadata + Send + Sync + 'static,
    /// {
    ///     fn classify_retry(&self, ctx: &InterceptorContext) -> RetryAction {
    ///         // Check for a result
    ///         let output_or_error = ctx.output_or_error();
    ///         // Check for an error
    ///         let error = match output_or_error {
    ///             Some(Ok(_)) | None => return RetryAction::NoActionIndicated,
    ///               Some(Err(err)) => err,
    ///         };
    ///
    ///         // Downcast the generic error and extract the code
    ///         let error_code = OrchestratorError::as_operation_error(error)
    ///             .and_then(|err| err.downcast_ref::<E>())
    ///             .and_then(|err| err.code());
    ///
    ///         // If this error's code is in our list, return an action that tells the RetryStrategy to retry this request.
    ///         if let Some(error_code) = error_code {
    ///             if RETRYABLE_ERROR_CODES.contains(&error_code) {
    ///                 return RetryAction::transient_error();
    ///             }
    ///         }
    ///
    ///         // Otherwise, return that no action is indicated i.e. that this classifier doesn't require a retry.
    ///         // Another classifier may still classify this response as retryable.
    ///         RetryAction::NoActionIndicated
    ///     }
    ///
    ///     fn name(&self) -> &'static str { "Example Error Code Classifier" }
    /// }
    ///
    /// let config = Config::builder()
    ///     .retry_classifier(ExampleErrorCodeClassifier::<SomeOperationError>::new())
    ///     .build();
    /// # }
    /// ```
    pub fn retry_classifier(
        mut self,
        retry_classifier: impl ::aws_smithy_runtime_api::client::retries::classifiers::ClassifyRetry + 'static,
    ) -> Self {
        self.push_retry_classifier(::aws_smithy_runtime_api::client::retries::classifiers::SharedRetryClassifier::new(
            retry_classifier,
        ));
        self
    }

    /// Like [`Self::retry_classifier`], but takes a [`SharedRetryClassifier`](::aws_smithy_runtime_api::client::retries::classifiers::SharedRetryClassifier).
    pub fn push_retry_classifier(
        &mut self,
        retry_classifier: ::aws_smithy_runtime_api::client::retries::classifiers::SharedRetryClassifier,
    ) -> &mut Self {
        self.runtime_components.push_retry_classifier(retry_classifier);
        self
    }

    /// Set [`SharedRetryClassifier`](::aws_smithy_runtime_api::client::retries::classifiers::SharedRetryClassifier)s for the builder, replacing any that
    /// were previously set.
    pub fn set_retry_classifiers(
        &mut self,
        retry_classifiers: impl IntoIterator<Item = ::aws_smithy_runtime_api::client::retries::classifiers::SharedRetryClassifier>,
    ) -> &mut Self {
        self.runtime_components.set_retry_classifiers(retry_classifiers.into_iter());
        self
    }
    /// Sets the name of the app that is using the client.
    ///
    /// This _optional_ name is used to identify the application in the user agent that
    /// gets sent along with requests.
    pub fn app_name(mut self, app_name: ::aws_types::app_name::AppName) -> Self {
        self.set_app_name(Some(app_name));
        self
    }
    /// Sets the name of the app that is using the client.
    ///
    /// This _optional_ name is used to identify the application in the user agent that
    /// gets sent along with requests.
    pub fn set_app_name(&mut self, app_name: ::std::option::Option<::aws_types::app_name::AppName>) -> &mut Self {
        self.config.store_or_unset(app_name);
        self
    }
    /// Appends framework metadata to the user agent.
    ///
    /// This _optional_ metadata identifies a software framework or third-party library
    /// that is being used with the client. It is rendered into the user agent string
    /// (as `lib/{name}/{version}`) so that libraries built on top of the AWS SDK can
    /// self-identify in the requests they make. Multiple entries may be added; each call
    /// appends another entry rather than replacing previous ones.
    ///
    /// Entries are de-duplicated on `(name, version)`, rendered in first-seen order, and
    /// the total number of unique entries included in the user agent is capped (currently
    /// at 10); additional entries beyond the cap are dropped with a warning.
    pub fn framework_metadata(mut self, framework_metadata: ::aws_types::sdk_ua_metadata::FrameworkMetadata) -> Self {
        self.push_framework_metadata(framework_metadata);
        self
    }
    /// Appends framework metadata to the user agent.
    ///
    /// This _optional_ metadata identifies a software framework or third-party library
    /// that is being used with the client. It is rendered into the user agent string
    /// (as `lib/{name}/{version}`) so that libraries built on top of the AWS SDK can
    /// self-identify in the requests they make. Multiple entries may be added; each call
    /// appends another entry rather than replacing previous ones.
    pub fn push_framework_metadata(&mut self, framework_metadata: ::aws_types::sdk_ua_metadata::FrameworkMetadata) -> &mut Self {
        self.config.store_append(framework_metadata);
        self
    }
    /// Overrides the default invocation ID generator.
    ///
    /// The invocation ID generator generates ID values for the `amz-sdk-invocation-id` header. By default, this will be a random UUID. Overriding it may be useful in tests that examine the HTTP request and need to be deterministic.
    pub fn invocation_id_generator(mut self, gen: impl ::aws_runtime::invocation_id::InvocationIdGenerator + 'static) -> Self {
        self.set_invocation_id_generator(::std::option::Option::Some(
            ::aws_runtime::invocation_id::SharedInvocationIdGenerator::new(gen),
        ));
        self
    }
    /// Overrides the default invocation ID generator.
    ///
    /// The invocation ID generator generates ID values for the `amz-sdk-invocation-id` header. By default, this will be a random UUID. Overriding it may be useful in tests that examine the HTTP request and need to be deterministic.
    pub fn set_invocation_id_generator(
        &mut self,
        gen: ::std::option::Option<::aws_runtime::invocation_id::SharedInvocationIdGenerator>,
    ) -> &mut Self {
        self.config.store_or_unset(gen);
        self
    }
    /// Sets the endpoint URL used to communicate with this service.
    ///
    /// Note: this is used in combination with other endpoint rules, e.g. an API that applies a host-label prefix
    /// will be prefixed onto this URL. To fully override the endpoint resolver, use
    /// [`Builder::endpoint_resolver`].
    pub fn endpoint_url(mut self, endpoint_url: impl Into<::std::string::String>) -> Self {
        self.set_endpoint_url(Some(endpoint_url.into()));
        self
    }
    /// Sets the endpoint URL used to communicate with this service.
    ///
    /// Note: this is used in combination with other endpoint rules, e.g. an API that applies a host-label prefix
    /// will be prefixed onto this URL. To fully override the endpoint resolver, use
    /// [`Builder::endpoint_resolver`].
    pub fn set_endpoint_url(&mut self, endpoint_url: Option<::std::string::String>) -> &mut Self {
        self.config.store_or_unset(endpoint_url.map(::aws_types::endpoint_config::EndpointUrl));
        self
    }
    /// When true, use the dual-stack endpoint. If the configured endpoint does not support dual-stack, dispatching the request MAY return an error.
    pub fn use_dual_stack(mut self, use_dual_stack: impl Into<bool>) -> Self {
        self.set_use_dual_stack(Some(use_dual_stack.into()));
        self
    }
    /// When true, use the dual-stack endpoint. If the configured endpoint does not support dual-stack, dispatching the request MAY return an error.
    pub fn set_use_dual_stack(&mut self, use_dual_stack: Option<bool>) -> &mut Self {
        self.config.store_or_unset(use_dual_stack.map(::aws_types::endpoint_config::UseDualStack));
        self
    }
    /// When true, send this request to the FIPS-compliant regional endpoint. If the configured endpoint does not have a FIPS compliant endpoint, dispatching the request will return an error.
    pub fn use_fips(mut self, use_fips: impl Into<bool>) -> Self {
        self.set_use_fips(Some(use_fips.into()));
        self
    }
    /// When true, send this request to the FIPS-compliant regional endpoint. If the configured endpoint does not have a FIPS compliant endpoint, dispatching the request will return an error.
    pub fn set_use_fips(&mut self, use_fips: Option<bool>) -> &mut Self {
        self.config.store_or_unset(use_fips.map(::aws_types::endpoint_config::UseFips));
        self
    }
    /// Sets the SigV4a signing region set.
    pub fn sigv4a_signing_region_set(mut self, v: impl Into<::aws_types::region::SigningRegionSet>) -> Self {
        self.set_sigv4a_signing_region_set(Some(v.into()));
        self
    }

    /// Sets the SigV4a signing region set.
    pub fn set_sigv4a_signing_region_set(&mut self, v: Option<::aws_types::region::SigningRegionSet>) -> &mut Self {
        self.config.store_or_unset(v);
        self
    }
    /// Sets the AWS region to use when making requests.
    ///
    /// # Examples
    /// ```no_run
    /// use aws_types::region::Region;
    /// use aws_sdk_sts::config::{Builder, Config};
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .region(Region::new("us-east-1"))
    ///     .build();
    /// ```
    pub fn region(mut self, region: impl ::std::convert::Into<::std::option::Option<crate::config::Region>>) -> Self {
        self.set_region(region.into());
        self
    }
    /// Sets the AWS region to use when making requests.
    pub fn set_region(&mut self, region: ::std::option::Option<crate::config::Region>) -> &mut Self {
        self.config.store_or_unset(region);
        self
    }
    /// Sets the credentials provider for this service
    pub fn credentials_provider(mut self, credentials_provider: impl crate::config::ProvideCredentials + 'static) -> Self {
        self.set_credentials_provider(::std::option::Option::Some(crate::config::SharedCredentialsProvider::new(
            credentials_provider,
        )));
        self
    }
    /// Sets the credentials provider for this service
    pub fn set_credentials_provider(&mut self, credentials_provider: ::std::option::Option<crate::config::SharedCredentialsProvider>) -> &mut Self {
        if let Some(credentials_provider) = credentials_provider {
            #[cfg(feature = "sigv4a")]
            {
                self.runtime_components
                    .set_identity_resolver(::aws_runtime::auth::sigv4a::SCHEME_ID, credentials_provider.clone());
            }
            self.runtime_components
                .set_identity_resolver(::aws_runtime::auth::sigv4::SCHEME_ID, credentials_provider);
        }
        self
    }
    /// Sets the [`behavior major version`](crate::config::BehaviorVersion).
    ///
    /// Over time, new best-practice behaviors are introduced. However, these behaviors might not be backwards
    /// compatible. For example, a change which introduces new default timeouts or a new retry-mode for
    /// all operations might be the ideal behavior but could break existing applications.
    ///
    /// # Examples
    ///
    /// Set the behavior major version to `latest`. This is equivalent to enabling the `behavior-version-latest` cargo feature.
    /// ```no_run
    /// use aws_sdk_sts::config::BehaviorVersion;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .behavior_version(BehaviorVersion::latest())
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    /// Customizing behavior major version:
    /// ```no_run
    /// use aws_sdk_sts::config::BehaviorVersion;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .behavior_version(BehaviorVersion::v2023_11_09())
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    pub fn behavior_version(mut self, behavior_version: crate::config::BehaviorVersion) -> Self {
        self.set_behavior_version(Some(behavior_version));
        self
    }

    /// Sets the [`behavior major version`](crate::config::BehaviorVersion).
    ///
    /// Over time, new best-practice behaviors are introduced. However, these behaviors might not be backwards
    /// compatible. For example, a change which introduces new default timeouts or a new retry-mode for
    /// all operations might be the ideal behavior but could break existing applications.
    ///
    /// # Examples
    ///
    /// Set the behavior major version to `latest`. This is equivalent to enabling the `behavior-version-latest` cargo feature.
    /// ```no_run
    /// use aws_sdk_sts::config::BehaviorVersion;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .behavior_version(BehaviorVersion::latest())
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    /// Customizing behavior major version:
    /// ```no_run
    /// use aws_sdk_sts::config::BehaviorVersion;
    ///
    /// let config = aws_sdk_sts::Config::builder()
    ///     .behavior_version(BehaviorVersion::v2023_11_09())
    ///     // ...
    ///     .build();
    /// let client = aws_sdk_sts::Client::from_conf(config);
    /// ```
    ///
    pub fn set_behavior_version(&mut self, behavior_version: Option<crate::config::BehaviorVersion>) -> &mut Self {
        self.behavior_version = behavior_version;
        self
    }

    /// Convenience method to set the latest behavior major version
    ///
    /// This is equivalent to enabling the `behavior-version-latest` Cargo feature
    pub fn behavior_version_latest(mut self) -> Self {
        self.set_behavior_version(Some(crate::config::BehaviorVersion::latest()));
        self
    }
    /// Adds a runtime plugin to the config.
    #[allow(unused)]
    pub(crate) fn runtime_plugin(mut self, plugin: impl crate::config::RuntimePlugin + 'static) -> Self {
        self.push_runtime_plugin(crate::config::SharedRuntimePlugin::new(plugin));
        self
    }
    /// Adds a runtime plugin to the config.
    #[allow(unused)]
    pub(crate) fn push_runtime_plugin(&mut self, plugin: crate::config::SharedRuntimePlugin) -> &mut Self {
        self.runtime_plugins.push(plugin);
        self
    }
    #[cfg(any(feature = "test-util", test))]
    #[allow(unused_mut)]
    /// Apply test defaults to the builder. NOTE: Consider migrating to use `apply_test_defaults_v2` instead.
    pub fn apply_test_defaults(&mut self) -> &mut Self {
        self.set_time_source(::std::option::Option::Some(::aws_smithy_async::time::SharedTimeSource::new(
            ::aws_smithy_async::time::StaticTimeSource::new(::std::time::UNIX_EPOCH + ::std::time::Duration::from_secs(1234567890)),
        )));
        self.config.store_put(::aws_runtime::user_agent::AwsUserAgent::for_tests());
        self.set_credentials_provider(Some(crate::config::SharedCredentialsProvider::new(
            ::aws_credential_types::Credentials::for_tests(),
        )));
        self.behavior_version = ::std::option::Option::Some(crate::config::BehaviorVersion::latest());
        self
    }
    #[cfg(any(feature = "test-util", test))]
    #[allow(unused_mut)]
    /// Apply test defaults to the builder. NOTE: Consider migrating to use `with_test_defaults_v2` instead.
    pub fn with_test_defaults(mut self) -> Self {
        self.apply_test_defaults();
        self
    }
    #[cfg(any(feature = "test-util", test))]
    #[allow(unused_mut)]
    /// Apply test defaults to the builder. V2 of this function sets additional test defaults such as region configuration (if applicable).
    pub fn apply_test_defaults_v2(&mut self) -> &mut Self {
        self.apply_test_defaults();
        if self.config.load::<crate::config::Region>().is_none() {
            self.set_region(::std::option::Option::Some(crate::config::Region::new("us-east-1")));
        }
        self
    }
    #[cfg(any(feature = "test-util", test))]
    #[allow(unused_mut)]
    /// Apply test defaults to the builder. V2 of this function sets additional test defaults such as region configuration (if applicable).
    pub fn with_test_defaults_v2(mut self) -> Self {
        self.apply_test_defaults_v2();
        self
    }
    /// Builds a [`Config`].
    #[allow(unused_mut)]
    pub fn build(mut self) -> Config {
        let mut layer = self.config;
        if self.runtime_components.time_source().is_none() {
            self.runtime_components
                .set_time_source(::std::option::Option::Some(::std::default::Default::default()));
        }
        layer.store_put(crate::meta::API_METADATA.clone());
        layer.store_put(::aws_types::SigningName::from_static("sts"));
        layer
            .load::<::aws_types::region::Region>()
            .cloned()
            .map(|r| layer.store_put(::aws_types::region::SigningRegion::from(r)));
        Config {
            config: crate::config::Layer::from(layer.clone())
                .with_name("aws_sdk_sts::config::Config")
                .freeze(),
            cloneable: layer,
            runtime_components: self.runtime_components,
            runtime_plugins: self.runtime_plugins,
            behavior_version: self.behavior_version,
        }
    }
}
#[derive(::std::fmt::Debug)]
pub(crate) struct ServiceRuntimePlugin {
    config: ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer>,
    runtime_components: ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
}

impl ServiceRuntimePlugin {
    pub fn new(_service_config: crate::config::Config) -> Self {
        let config = {
            let mut cfg = ::aws_smithy_types::config_bag::Layer::new("AWSSecurityTokenServiceV20110615");
            cfg.store_put(::aws_smithy_runtime::client::orchestrator::AuthSchemeAndEndpointOrchestrationV2);
            ::std::option::Option::Some(cfg.freeze())
        };
        let mut runtime_components = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("ServiceRuntimePlugin");
        runtime_components.set_auth_scheme_option_resolver(::std::option::Option::Some({
            use crate::config::auth::ResolveAuthScheme;
            crate::config::auth::DefaultAuthSchemeResolver::default().into_shared_resolver()
        }));
        runtime_components.set_endpoint_resolver(::std::option::Option::Some({
            use crate::config::endpoint::ResolveEndpoint;
            crate::config::endpoint::DefaultResolver::new().into_shared_resolver()
        }));
        runtime_components.push_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
            ::aws_smithy_runtime::client::http::connection_poisoning::ConnectionPoisoningInterceptor::new(),
        ));
        runtime_components.push_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::HttpStatusCodeClassifier::default());
        runtime_components.push_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
            crate::sdk_feature_tracker::retry_mode::RetryModeFeatureTrackerInterceptor::new(),
        ));
        runtime_components.push_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
            ::aws_runtime::service_clock_skew::ServiceClockSkewInterceptor::new(),
        ));
        runtime_components.push_interceptor(::aws_runtime::request_info::RequestInfoInterceptor::new());
        runtime_components.push_interceptor(::aws_runtime::user_agent::UserAgentInterceptor::new());
        runtime_components.push_interceptor(::aws_runtime::invocation_id::InvocationIdInterceptor::new());
        runtime_components.push_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
            ::aws_runtime::recursion_detection::RecursionDetectionInterceptor::new(),
        ));
        runtime_components.push_auth_scheme(::aws_smithy_runtime_api::client::auth::SharedAuthScheme::new(
            ::aws_runtime::auth::sigv4::SigV4AuthScheme::new(),
        ));
        #[cfg(feature = "sigv4a")]
        {
            runtime_components.push_auth_scheme(::aws_smithy_runtime_api::client::auth::SharedAuthScheme::new(
                ::aws_runtime::auth::sigv4a::SigV4aAuthScheme::new(),
            ));
        }
        runtime_components.push_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
            crate::config::endpoint::EndpointOverrideFeatureTrackerInterceptor,
        ));
        runtime_components.push_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
            crate::observability_feature::ObservabilityFeatureTrackerInterceptor,
        ));
        Self { config, runtime_components }
    }
}

impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for ServiceRuntimePlugin {
    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
        self.config.clone()
    }

    fn order(&self) -> ::aws_smithy_runtime_api::client::runtime_plugin::Order {
        ::aws_smithy_runtime_api::client::runtime_plugin::Order::Defaults
    }

    fn runtime_components(
        &self,
        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
        ::std::borrow::Cow::Borrowed(&self.runtime_components)
    }
}

// Cross-operation shared-state singletons

/// A plugin that enables configuration for a single operation invocation
///
/// The `config` method will return a `FrozenLayer` by storing values from `config_override`.
/// In the case of default values requested, they will be obtained from `client_config`.
#[derive(Debug)]
pub(crate) struct ConfigOverrideRuntimePlugin {
    pub(crate) config: ::aws_smithy_types::config_bag::FrozenLayer,
    pub(crate) components: ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
}

impl ConfigOverrideRuntimePlugin {
    #[allow(dead_code)] // unused when a service does not provide any operations
    pub(crate) fn new(
        config_override: Builder,
        initial_config: ::aws_smithy_types::config_bag::FrozenLayer,
        initial_components: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
    ) -> Self {
        let mut layer = config_override.config;
        let mut components = config_override.runtime_components;
        #[allow(unused_mut)]
        let mut resolver =
            ::aws_smithy_runtime::client::config_override::Resolver::overrid(initial_config, initial_components, &mut layer, &mut components);

        resolver
            .config_mut()
            .load::<::aws_types::region::Region>()
            .cloned()
            .map(|r| resolver.config_mut().store_put(::aws_types::region::SigningRegion::from(r)));

        let _ = resolver;

        // When the config override supplies an identity resolver for any auth scheme
        // known to the client or the override itself, we give this operation its own
        // short-lived identity cache so that new partitions don't accumulate in the
        // shared client cache. A lazy cache (not `no_cache`) is used so that resolved
        // identities are served from the short-lived identity cache on retries.
        //
        // This is skipped if the override already sets its own identity cache.
        if components.has_identity_resolvers() && components.identity_cache().is_none() {
            components.set_identity_cache(::std::option::Option::Some(
                ::aws_smithy_runtime::client::identity::IdentityCache::lazy().max_partitions(1).build(),
            ));
        }

        Self {
            config: ::aws_smithy_types::config_bag::Layer::from(layer)
                .with_name("aws_sdk_sts::config::ConfigOverrideRuntimePlugin")
                .freeze(),
            components,
        }
    }
}

impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for ConfigOverrideRuntimePlugin {
    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
        Some(self.config.clone())
    }

    fn runtime_components(
        &self,
        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
        ::std::borrow::Cow::Borrowed(&self.components)
    }
}

pub use ::aws_smithy_runtime::client::identity::IdentityCache;
pub use ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponents;
pub use ::aws_smithy_types::config_bag::ConfigBag;

pub use ::aws_credential_types::Credentials;

impl From<&::aws_types::sdk_config::SdkConfig> for Builder {
    fn from(input: &::aws_types::sdk_config::SdkConfig) -> Self {
        let mut builder = Builder::default();
        builder.set_credentials_provider(input.credentials_provider());
        builder = builder.region(input.region().cloned());
        builder.set_sigv4a_signing_region_set(input.sigv4a_signing_region_set().cloned());
        builder.set_use_fips(input.use_fips());
        builder.set_use_dual_stack(input.use_dual_stack());
        if input.get_origin("endpoint_url").is_client_config() {
            builder.set_endpoint_url(input.endpoint_url().map(|s| s.to_string()));
        } else {
            builder.set_endpoint_url(
                input
                    .service_config()
                    .and_then(|conf| {
                        conf.load_config(service_config_key("STS", "AWS_ENDPOINT_URL", "endpoint_url"))
                            .map(|it| it.parse().unwrap())
                    })
                    .or_else(|| input.endpoint_url().map(|s| s.to_string())),
            );
        }
        // resiliency
        builder.set_retry_config(input.retry_config().cloned());
        builder.set_timeout_config(input.timeout_config().cloned());
        builder.set_sleep_impl(input.sleep_impl());

        builder.set_http_client(input.http_client());
        builder.set_time_source(input.time_source());
        builder.set_behavior_version(input.behavior_version());
        builder.set_auth_scheme_preference(input.auth_scheme_preference().cloned());
        // setting `None` here removes the default
        if let Some(config) = input.stalled_stream_protection() {
            builder.set_stalled_stream_protection(Some(config));
        }

        if let Some(cache) = input.identity_cache() {
            builder.set_identity_cache(cache);
        }
        builder.set_app_name(input.app_name().cloned());
        for framework_metadata in input.framework_metadata() {
            builder.push_framework_metadata(framework_metadata.clone());
        }

        builder
    }
}

impl From<&::aws_types::sdk_config::SdkConfig> for Config {
    fn from(sdk_config: &::aws_types::sdk_config::SdkConfig) -> Self {
        Builder::from(sdk_config).build()
    }
}

pub use ::aws_types::app_name::AppName;
pub use ::aws_types::sdk_ua_metadata::FrameworkMetadata;

#[allow(dead_code)]
fn service_config_key<'a>(service_id: &'a str, env: &'a str, profile: &'a str) -> aws_types::service_config::ServiceConfigKey<'a> {
    ::aws_types::service_config::ServiceConfigKey::builder()
        .service_id(service_id)
        .env(env)
        .profile(profile)
        .build()
        .expect("all field sets explicitly, can't fail")
}

pub use ::aws_smithy_async::rt::sleep::Sleep;

pub(crate) fn base_client_runtime_plugins(mut config: crate::Config) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
    let mut configured_plugins = ::std::vec::Vec::new();
    ::std::mem::swap(&mut config.runtime_plugins, &mut configured_plugins);
    #[cfg(feature = "behavior-version-latest")]
    {
        if config.behavior_version.is_none() {
            config.behavior_version = Some(::aws_smithy_runtime_api::client::behavior_version::BehaviorVersion::latest());
        }
    }

    let default_retry_partition = "sts";
    let default_retry_partition = match config.region() {
        Some(region) => ::std::borrow::Cow::from(format!("{default_retry_partition}-{region}")),
        None => ::std::borrow::Cow::from(default_retry_partition),
    };

    let scope = "aws-sdk-sts";

    #[allow(deprecated)]
                    let mut plugins = ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins::new()
                        // defaults
                        .with_client_plugins(::aws_smithy_runtime::client::defaults::default_plugins(
                            ::aws_smithy_runtime::client::defaults::DefaultPluginParams::new()
                                .with_retry_partition_name(default_retry_partition)
                                .with_behavior_version(config.behavior_version.expect("Invalid client configuration: A behavior major version must be set when sending a request or constructing a client. You must set it during client construction or by enabling the `behavior-version-latest` cargo feature."))
                                .with_is_aws_sdk(true)
                        ))
                        // user config
                        .with_client_plugin(
                            ::aws_smithy_runtime_api::client::runtime_plugin::StaticRuntimePlugin::new()
                                .with_config(config.config.clone())
                                .with_runtime_components(config.runtime_components.clone())
                        )
                        // codegen config
                        .with_client_plugin(crate::config::ServiceRuntimePlugin::new(config.clone()))
                        .with_client_plugin(::aws_smithy_runtime::client::auth::no_auth::NoAuthRuntimePlugin::new())
                        .with_client_plugin(
                            ::aws_smithy_runtime::client::metrics::MetricsRuntimePlugin::builder()
                                .with_scope(scope)
                                .with_time_source(config.runtime_components.time_source().unwrap_or_default())
                                .build()
                                .expect("All required fields have been set")
                        );

    for plugin in configured_plugins {
        plugins = plugins.with_client_plugin(plugin);
    }
    plugins
}

pub use ::aws_smithy_types::config_bag::FrozenLayer;

pub use ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder;

pub use ::aws_smithy_runtime_api::client::runtime_plugin::SharedRuntimePlugin;

pub use ::aws_smithy_runtime_api::client::behavior_version::BehaviorVersion;

pub use ::aws_smithy_runtime_api::client::stalled_stream_protection::StalledStreamProtectionConfig;

pub use ::aws_smithy_runtime_api::client::http::SharedHttpClient;

pub use ::aws_smithy_async::rt::sleep::SharedAsyncSleep;

pub use ::aws_smithy_runtime_api::client::identity::SharedIdentityCache;

pub use ::aws_smithy_runtime_api::client::interceptors::SharedInterceptor;

pub use ::aws_types::region::Region;

pub use ::aws_credential_types::provider::SharedCredentialsProvider;

pub use ::aws_smithy_runtime_api::client::http::HttpClient;

pub use ::aws_smithy_runtime_api::shared::IntoShared;

pub use ::aws_smithy_async::rt::sleep::AsyncSleep;

pub use ::aws_smithy_runtime_api::client::identity::ResolveCachedIdentity;

pub use ::aws_smithy_runtime_api::client::interceptors::Intercept;

pub use ::aws_credential_types::provider::ProvideCredentials;

pub use ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin;

pub use ::aws_smithy_types::config_bag::Layer;

/// Types needed to configure endpoint resolution.
pub mod endpoint;

/// HTTP request and response types.
pub mod http;

/// Types needed to implement [`Intercept`](crate::config::Intercept).
pub mod interceptors;

/// Retry configuration.
pub mod retry;

/// Timeout configuration.
pub mod timeout;

/// Types needed to configure auth scheme resolution.
pub mod auth;