class_docstr: Generic class to defer some work.
  
  Handled specially in RegexLexerMeta, to support regex string construction at
  first use.
class_docstr_tok: ["Generic","class","to","defer","some","work",".","Handled","specially","in","RegexLexerMeta",",","to","support","regex","string","construction","at","first","use","."]
code: def get(self):
      raise NotImplementedError
  
imports: import re
  import sys
label_desc: Use image node_id 1 for calling the Future obj's underlying member method code with example usage: obj.get() without return types