hello

type EchoRequest struct {
	Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
	// contains filtered or unexported fields
}

type EchoResponse struct {
	Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
	// contains filtered or unexported fields
}

type HTTPClient interface {
	Do(req *http.Request) (*http.Response, error)
}

type Hello interface {
	Echo(context.Context, *EchoRequest) (*EchoResponse, error)
}

type TwirpServer interface {
	http.Handler

	// ServiceDescriptor returns gzipped bytes describing the .proto file that
	// this service was generated from. Once unzipped, the bytes can be
	// unmarshalled as a
	// google.golang.org/protobuf/types/descriptorpb.FileDescriptorProto.
	//
	// The returned integer is the index of this particular service within that
	// FileDescriptorProto's 'Service' slice of ServiceDescriptorProtos. This is a
	// low-level field, expected to be used for reflection.
	ServiceDescriptor() ([]byte, int)

	// ProtocGenTwirpVersion is the semantic version string of the version of
	// twirp used to generate this file.
	ProtocGenTwirpVersion() string

	// PathPrefix returns the HTTP URL path prefix for all methods handled by this
	// service. This can be used with an HTTP mux to route Twirp requests.
	// The path prefix is in the form: "/<prefix>/<package>.<Service>/"
	// that is, everything in a Twirp route except for the <Method> at the end.
	PathPrefix() string
}