copy
fun copy(valid_host: String = this.valid_host, original_request: ServerReflectionRequest? = this.original_request, file_descriptor_response: FileDescriptorResponse? = this.file_descriptor_response, all_extension_numbers_response: ExtensionNumberResponse? = this.all_extension_numbers_response, list_services_response: ListServiceResponse? = this.list_services_response, error_response: ErrorResponse? = this.error_response, unknownFields: ByteString = this.unknownFields): ServerReflectionResponse