public function exists(Event $event, DateTimeInterface $time)
    {
        return $this->cache->store($this->store)->has(
            $event->mutexName().$time->format('Hi')
        );
    }
public function exists(Event $event, DateTimeInterface $time)
    {
        return $this->cache->store($this->store)->has(
            $event->mutexName().$time->format('Hi')
        );
    }
public function exists ( Event $ event , DateTimeInterface $ time ) { return $ this -> cache -> store ( $ this -> store ) -> has ( $ event -> mutexName ( ) . $ time -> format ( 'Hi' ) ) ; }
Determine if a scheduling mutex exists for the given event.

@param  \Illuminate\Console\Scheduling\Event  $event
@param  \DateTimeInterface  $time
@return bool
Determine if a scheduling mutex exists for the given event .