def METHOD_NAME():
    """
    Install a handler for Mitogen's logger to redirect it into the Ansible
    display framework, and prevent propagation to the root logger.
    """
    logging.getLogger('ansible_mitogen').handlers = [Handler(display.vvv)]
    mitogen.core.LOG.handlers = [Handler(display.vvv)]
    mitogen.core.IOLOG.handlers = [Handler(display.vvvv)]
    mitogen.core.IOLOG.propagate = False
    if display.verbosity > 2:
        mitogen.core.LOG.setLevel(logging.DEBUG)
        logging.getLogger('ansible_mitogen').setLevel(logging.DEBUG)
    else:
        # Mitogen copies the active log level into new children, allowing them
        # to filter tiny messages before they hit the network, and therefore
        # before they wake the IO loop. Explicitly setting INFO saves ~4%
        # running against just the local machine.
        mitogen.core.LOG.setLevel(logging.ERROR)
        logging.getLogger('ansible_mitogen').setLevel(logging.ERROR)
    if display.verbosity > 3:
        mitogen.core.IOLOG.setLevel(logging.DEBUG)
        logging.getLogger('ansible_mitogen').setLevel(logging.DEBUG)