parameters: (cls, tag)
return_statement: return ndb.Key('FrontendJobList', tag)
docstring: Gets the key that can be used to retrieve a frontend job from the job
      list.
docstring_summary: Gets the key that can be used to retrieve a frontend job from the job
      list.
docstring_tokens: Gets the key that can be used to retrieve a frontend job from the job list .
function: def _GetParentKeyFromTag(cls, tag):
      """Gets the key that can be used to retrieve a frontend job from the job
      list.
      """
      return ndb.Key('FrontendJobList', tag)
function_tokens: def _GetParentKeyFromTag ( cls , tag ) : return ndb . Key ( 'FrontendJobList' , tag )