allowed_external_types = [
    # TODO(https://github.com/smithy-lang/smithy-rs/issues/1193): Once tooling permits it, only allow the following types in the `http0-compat` feature
    "http::request::Request",
    # TODO(https://github.com/smithy-lang/smithy-rs/issues/1193): Once tooling permits it, only allow the following types in the `event-stream` feature
    "aws_smithy_types::event_stream::Message",
    "aws_smithy_runtime_api::client::identity::Identity"
]