allowed_external_types = [
    "aws_credential_types::cache::CredentialsCache",
    "aws_credential_types::provider::credentials::SharedCredentialsProvider",
    "aws_credential_types::provider::token::SharedTokenProvider",
    "aws_smithy_async::rt::sleep::AsyncSleep",
    "aws_smithy_async::rt::sleep::SharedAsyncSleep",
    "aws_smithy_async::time::SharedTimeSource",
    "aws_smithy_async::time::TimeSource",
    "aws_smithy_runtime_api::client::behavior_version::BehaviorVersion",
    "aws_smithy_runtime_api::client::http::HttpClient",
    "aws_smithy_runtime_api::client::http::SharedHttpClient",
    "aws_smithy_runtime_api::client::identity::ResolveCachedIdentity",
    "aws_smithy_runtime_api::client::identity::SharedIdentityCache",
    "aws_smithy_runtime_api::client::stalled_stream_protection::StalledStreamProtectionConfig",
    "aws_smithy_runtime_api::http::headers::Headers",
    "aws_smithy_types::config_bag::storable::Storable",
    "aws_smithy_types::config_bag::storable::StoreReplace",
    "aws_smithy_types::config_bag::storable::Storer",
    "aws_smithy_types::error::metadata::Builder",
    "aws_smithy_types::retry::RetryConfig",
    "aws_smithy_types::timeout::TimeoutConfig",
]