Sent when a user has subscribed to or unsubscribed from a GuildScheduledEvent.
A custom object that can be inserted when creating events. By default, this is just null.
null
The Gateway that spawned this event.
The kord instance that created this object.
The shard number of the gateway that spawned this event.
The supplier used to request entities.
Returns a copy of this class with a new supplier provided by the strategy.