protected override void SetWriterOperators(BaseWriter writer)
 {
     writer.SetOperators(input => UpperCaseOperator.Transform(input), input => RemoveDuplicateOperator.Transform(input));
 }
 protected override void SetWriterOperators(BaseWriter writer)
 {
     writer.SetOperators(input => LowerCaseOperator.Transform(input));
 }
 protected override void SetWriterOperators(BaseWriter writer)
 {
     writer.SetOperators(input => StupidReplaceOperator.Transform(input));
 }