def gotGlobalRequest(requestType, data):
        """
        A global request was sent from the other side.

        We return a true value on success or a false value on failure.
        If we indicate success by returning a tuple, its second item
        will be sent to the other side as additional response data.

        @param requestType: The type of the request
        @type requestType:  L{bytes}
        @param data:        Additional request data
        @type data:         L{bytes}
        @rtype:             boolean or L{tuple}
        """

        A global request was sent from the other side.

        We return a true value on success or a false value on failure.
        If we indicate success by returning a tuple, its second item
        will be sent to the other side as additional response data.

        @param requestType: The type of the request
        @type requestType:  L{bytes}
        @param data:        Additional request data
        @type data:         L{bytes}
        @rtype:             boolean or L{tuple}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/interfaces.py