static void flushEventListeners() Remove all of the event listeners

string relatedUpdatedAt() Get the name of the related model's "updated

$this setDateFormat(string $format) Set the date format used by the model

Model save(

array sync(Collection|array $ids, bool $detaching

void addConstraints() Set the base constraints on the relation query.

void touch() Touch all of the related models for the relationship.

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array getMutatedAttributes() Get the mutated attributes for a given instance

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