class_docstr: Lookahead expression.
class_docstr_tok: ["Lookahead","expression","."]
code: def __repr__(self):
      return "%s(%r)" % (self.__class__.__name__, self.childnode)
  
imports: from __future__ import unicode_literals
  import re
label_desc: Use image node_id 2 for calling the Lookahead obj's underlying member method code with example usage: obj.__repr__() and returns: unknown