allowed_external_types = [ "aws_smithy_types::*", "bytes::buf::buf_impl::Buf", "bytes::buf::buf_mut::BufMut", "bytes::bytes::Bytes", # TODO(https://github.com/smithy-lang/smithy-rs/issues/1193): Once tooling permits it, only allow the following types in the `derive-arbitrary` feature "arbitrary::Arbitrary", ]