parameters: (self)
docstring: Returns true if the call failed.
  
      After a call has finished, returns true if the call failed.  The possible
      reasons for failure depend on the RPC implementation.  Failed() must not
      be called before a call has finished.  If Failed() returns true, the
      contents of the response message are undefined.
docstring_summary: Returns true if the call failed.
docstring_tokens: Returns true if the call failed .
function: def Failed(self):
      """Returns true if the call failed.
  
      After a call has finished, returns true if the call failed.  The possible
      reasons for failure depend on the RPC implementation.  Failed() must not
      be called before a call has finished.  If Failed() returns true, the
      contents of the response message are undefined.
      """
      raise NotImplementedError
function_tokens: def Failed ( self ) : raise NotImplementedError