class_docstr: A fake sax parser that calls some of the harder-to-reach sax methods to
  ensure it emits the correct events
docstr: Stub method. Does nothing.
docstr_tok: ["Stub","method",".","Does","nothing","."]
code: def stub(self, *args, **kwargs):
      """Stub method. Does nothing."""
      pass
  
imports: import io
  import unittest
  import xml.sax
  from xml.sax.xmlreader import AttributesImpl
  from xml.sax.handler import feature_external_ges
  from xml.dom import pulldom
  from test.support import findfile
label_desc: Use image node_id 3 for calling the SAXExerciser obj's underlying member method code with example usage: obj.stub() without return types