Laravel 5: How to get list of Parameters in Middleware

How can I retrive list of route parameters in Middleware, tried multiple ways but always end with Error or empty result:

public function handle($request, Closure $next)
{
    $request->route()->parameter('page');           //Call to a member function parameter() on null
    $request->route()->parameters();                //Call to a member function parameters() on null
    Request::capture()->getParameter('page');       //Call to undefined method Illuminate\Http\Request::getParameter()

    Route::getCurrentRoute()->getParameter('page'); //Call to a member function getParameter() on null
    Route::getCurrentRoute()->getParameters();      //Call to a member function getParameters() on null
    Route::getParameter('page');                    //Method getParameter does not exist.
}

Is there a way to get list of parameters in Middleware? thanks,

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