message RawExtension {
  // Raw is the underlying serialization of this object.
  //
  // TODO: Determine how to detect ContentType and ContentEncoding of 'Raw' data.
  optional bytes raw = 1;
}

// TypeMeta is shared by all top level objects. The proper way to use it is to inline it in your type,
// like this:
//
// 	type MyAwesomeAPIObject struct {
// 	     runtime.TypeMeta    `json:",inline"`
// 	     ... // other fields
// 	}
//