original_docstring: 
          This is invoked on the subset of non-tree edges whose target vertex is
          colored gray at the time of examination.
          The color gray indicates that the vertex is currently in the queue.
          
docstring: This is invoked on the subset of non-tree edges whose target vertex is
  colored gray at the time of examination.
  The color gray indicates that the vertex is currently in the queue.
docstring_tokens: This is invoked on the subset of non - tree edges whose target vertex is colored gray at the time of examination . The color gray indicates that the vertex is currently in the queue .
code: def gray_target_edge(self, e):
          """
          This is invoked on the subset of non-tree edges whose target vertex is
          colored gray at the time of examination.
          The color gray indicates that the vertex is currently in the queue.
          """
          return
code_tokens: def gray_target_edge ( self , e ) : return
short_docstring: This is invoked on the subset of non-tree edges whose target vertex is
  colored gray at the time of examination.
short_docstring_tokens: This is invoked on the subset of non - tree edges whose target vertex is colored gray at the time of examination .
comment: """
          This is invoked on the subset of non-tree edges whose target vertex is
          colored gray at the time of examination.
          The color gray indicates that the vertex is currently in the queue.
          """