human
I wrote the below code

    import twisted
    if hasattr(twisted, '_kivy_twisted_reactor_installed'):
        return
    twisted._kivy_twisted_reactor_installed = True
    kwargs.setdefault('installSignalHandlers', 0)
    from twisted.internet import _threadedselect
    _threadedselect.install()
    from twisted.internet import reactor
    from twisted.internet.error import ReactorNotRunning
    from collections import deque
    from kivy.base import EventLoop
    from kivy.logger import Logger
    from kivy.clock import Clock
    q = deque()
    def reactor_wake(twisted_loop_next):
        'Wakeup    the    twisted    reactor    to    start    processing    the    task    queue\n                                '
        Logger.trace('Support:    twisted    wakeup    call    to    schedule    task')
        q.append(twisted_loop_next)
    def reactor_work(*args):
        'Process    the    twisted    reactor    task    queue\n                                '
        Logger.trace('Support:    processing    twisted    task    queue')
        while len(q):
            q.popleft()()
    global _twisted_reactor_work
    _twisted_reactor_work = reactor_work
    def reactor_start(*args):
        'Start    the    twisted    reactor    main    loop\n                                '
        Logger.info('Support:    Starting    twisted    reactor')
        reactor.interleave(reactor_wake, **kwargs)
        Clock.schedule_interval(reactor_work, 0)
    def reactor_stop(*args):
        'Shutdown    the    twisted    reactor    main    loop\n                                '
        if reactor.threadpool:
            Logger.info('Support:    Stopping    twisted    threads')
            reactor.threadpool.stop()
        Logger.info('Support:    Shutting    down    twisted    reactor')
        reactor._mainLoopShutdown()
        try:
            reactor.stop()
        except ReactorNotRunning:
            pass
        import sys
        sys.modules.pop('twisted.internet.reactor', None)
    global _twisted_reactor_stopper
   ...

What's a good function header?
 Here's a good function header?
assistant
#Here's a good function header.

def install_twisted_reactor(**kwargs):