//public void AssertTupleInvokedWith(string arg1, int arg2) => _paramTuple.AssertInvokedWith(new Tuple<string, int>(arg1, arg2));
private string Signature() =>
$"public void Assert{_methodName.Unique()}InvokedWith({_methodArgs.Definition()}) => _{_methodName.CamelCaseUnique()}.AssertInvokedWith({_methodArgs.InvokedArgs()});";
public string Signature() =>
$"public {ResponseType()} {_methodName.Actual()}({_methodArgs.Definition()}) => " +
$"_{_methodName.CamelCaseUnique()}.{InvokeMethod()}({_methodArgs.InvokedArgs()});";