public StubIServerSource LoginAsync(LoginAsync_String_String_Delegate del)
 {
     _stubs[nameof(LoginAsync_String_String_Delegate)] = del;
     return this;
 }
 public StubIServerContext LoginAsync(LoginAsync_String_String_Delegate del, int count = Times.Forever, bool overwrite = false)
 {
     _stubs.SetMethodStub(del, count, overwrite);
     return this;
 }