NewResponseReader returns a response reader that on-the-fly transcodes a gRPC web response into normal gRPC framing.

NewResponseWriter returns a response writer that transparently transcodes an gRPC HTTP/2 response to a gRPC-Web response.

GRPCWebOnlyHeader is a header to indicate that the server should always return gRPC-Web responses, regardless of detected client capabilities.

ErrNoDecompressor means that we don't know how to decompress a compressed trailer message.

Option is an object that controls the behavior of the downgrading gRPC server.

Decompressor returns a decompressed ReadCloser for a given compressed ReadCloser.