parameters: (cls, mapreduce_state)
docstring: Initialize job-level writer state.
  
      This method is only to support the deprecated feature which is shared
      output files by many shards. New output writers should not do anything
      in this method.
  
      Args:
        mapreduce_state: an instance of model.MapreduceState describing current
        job. MapreduceState.writer_state can be modified during initialization
        to save the information about the files shared by many shards.
docstring_summary: Initialize job-level writer state.
docstring_tokens: Initialize job - level writer state .
function: def init_job(cls, mapreduce_state):
      """Initialize job-level writer state.
  
      This method is only to support the deprecated feature which is shared
      output files by many shards. New output writers should not do anything
      in this method.
  
      Args:
        mapreduce_state: an instance of model.MapreduceState describing current
        job. MapreduceState.writer_state can be modified during initialization
        to save the information about the files shared by many shards.
      """
      pass
function_tokens: def init_job ( cls , mapreduce_state ) : pass