I should mention that I consider this a feature not a bug. The isomorphism permits an endpoint to use ‘bytes submessage_i_dont_need_to_decode’ to cheaply handle

I should mention that I consider this a feature not a bug. The isomorphism permits an endpoint to use ‘bytes submessage_i_dont_need_to_decode’ to cheaply handle nested message structures that need to be preserved but not inspected, such as in a proxy application.