interface SchedulingMutex (View source)
| bool | create(Event $event, DateTimeInterface $time) Attempt to obtain a scheduling mutex for the given event. | |
| bool | exists(Event $event, DateTimeInterface $time) Determine if a scheduling mutex exists for the given event. | 
Attempt to obtain a scheduling mutex for the given event.
Determine if a scheduling mutex exists for the given event.
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    https://laravel.com/api/8.x/Illuminate/Console/Scheduling/SchedulingMutex.html