public string GetSignatureForError()
{
string s = TypeParameters == null ? null : "<" + TypeParameters.GetSignatureForError () + ">";
s = Name + s;
if (ExplicitInterface != null)
s = ExplicitInterface.GetSignatureForError () + "." + s;
if (Left == null)
return s;
return Left.GetSignatureForError () + "." + s;
}