class_docstr: Union operation (OR operation) between several grammars. You don't
  initialize this yourself, but it's a result of a "Grammar1 | Grammar2"
  operation.
class_docstr_tok: ["Union","operation","(","OR","operation",")","between","several","grammars",".","You","don't","initialize","this","yourself",",","but","it","'s","a","result","of","a","``","Grammar1","|","Grammar2","''","operation","."]
code: def __repr__(self):
      return "%s(%r)" % (self.__class__.__name__, self.children)
  
imports: from __future__ import unicode_literals
  import re
label_desc: Use image node_id 3 for calling the Any obj's underlying member method code with example usage: obj.__repr__() and returns: unknown