3411 pub struct MethodDescriptorProto {  struct
3417     // @@protoc_insertion_point(field:google.protobuf.MethodDescriptorProto.input_type)  argument
3419     // @@protoc_insertion_point(field:google.protobuf.MethodDescriptorProto.output_type)  argument
3421     // @@protoc_insertion_point(field:google.protobuf.MethodDescriptorProto.options)  argument
3424     // @@protoc_insertion_point(field:google.protobuf.MethodDescriptorProto.client_streaming)  argument
3427     // @@protoc_insertion_point(field:google.protobuf.MethodDescriptorProto.server_streaming)  argument
3430     // @@protoc_insertion_point(special_field:google.protobuf.MethodDescriptorProto.special_fields)  argument
3434 impl<'a> ::std::default::Default for &'a MethodDescriptorProto {  implementation
3440 impl MethodDescriptorProto {  implementation
3632 impl crate::Message for MethodDescriptorProto {  implementation
3760 impl crate::MessageFull for MethodDescriptorProto {  implementation
3767 impl ::std::fmt::Display for MethodDescriptorProto {  implementation
3773 impl crate::reflect::ProtobufValue for MethodDescriptorProto {  implementation