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

string getQualifiedParentKeyName() Get the fully qualified parent key name

Model firstOrNew(array $attributes)

static Builder on(string|null $connection =

static Model create(array $attributes = array())

MorphOne morphOne(string $related

void removeObservableEvents(array|mixed $observables) Remove an observable

static bool isUnguarded() Determine if current state is "unguarded"

bool|null delete() Delete the pivot model record from the database.

bool isGuarded(string $key) Determine if the given key is guarded.