class_docstr: Dummy output to disable 'no logger output' warnings.
class_docstr_tok: ["Dummy","output","to","disable","'no","logger","output","'","warnings","."]
docstr: Don't do anything.
docstr_tok: ["Do","n't","do","anything","."]
code: def record(self, data, prefix=""):
      """Don't do anything."""
      if isinstance(data, TabularInput):
          data.mark_all()
  
imports: from dowel import LogOutput, TabularInput
label_desc: Use image node_id 2 for calling the NullOutput obj's underlying member method code with example usage: obj.record(data, prefix) without return types