class_docstr: Abstract class used by `simplefilter` to create simple
  function filters on the fly. The `simplefilter` decorator
  automatically creates subclasses of this class for
  functions passed to it.
code: def filter(self, lexer, stream):
      # pylint: disable=not-callable
      for ttype, value in self.function(lexer, stream, self.options):
          yield ttype, value
  
file_path: wandb/wandb/vendor/pygments/filter.py
label_desc: Use image node_id 2 for calling the FunctionFilter obj's underlying member method code with example usage: obj.filter(lexer, stream) without return types