NewGreeter creates new greeter server.

NewHWStats creates new stats handler.

Bidi is a bidi / duplex call.

ClientStream is a client streaming call.

ServerStream is a server streaming call.

Unary is a unary call.

Greeter implements the GreeterServer for tests.

The response message containing the greetings.

The request message containing the user's name.

HWStatsHandler is for gRPC stats.

CallType represents one of the gRPC call types: unary, client streaming, server streaming, bidi.