How to use the pluggy.HookImpl function in pluggy

def wrap(func):
            hookimpl(tryfirst=tryfirst, trylast=trylast,
                     hookwrapper=hookwrapper)(func)
            hc._add_hookimpl(HookImpl(None, "", func, func.example_impl))
            return func
        return wrap

def MC(self, methods, kwargs, firstresult=False):
        hookfuncs = []
        for method in methods:
            f = HookImpl(None, "", method, method.example_impl)
            hookfuncs.append(f)
        return _MultiCall(hookfuncs, kwargs, {"firstresult": firstresult})

def MC(methods, kwargs, callertype, firstresult=False):
    hookfuncs = []
    for method in methods:
        f = HookImpl(None, "", method, method.example_impl)
        hookfuncs.append(f)
    return callertype(hookfuncs, kwargs, {"firstresult": firstresult})

def MC(methods, kwargs, firstresult=False):
    caller = _multicall
    hookfuncs = []
    for method in methods:
        f = HookImpl(None, "", method, method.example_impl)
        hookfuncs.append(f)
        if '__multicall__' in f.argnames:
            caller = _legacymulticall
    return caller(hookfuncs, kwargs, firstresult=firstresult)

def wrap(func):
                hookimpl(tryfirst=tryfirst, trylast=trylast,
                         hookwrapper=hookwrapper)(func)
                hc._add_hookimpl(HookImpl(None, "", func, func.example_impl))
                return func
            return wrap