callPipe method
Implementation
@override
o.Expression callPipe(
  String name,
  o.Expression input,
  List<o.Expression> args,
) {
  throw UnsupportedError('Pipes are not support in directives');
}@override
o.Expression callPipe(
  String name,
  o.Expression input,
  List<o.Expression> args,
) {
  throw UnsupportedError('Pipes are not support in directives');
}