$this load(mixed $relations) Load a set of relationships onto the collection

array modelKeys() Get the array of primary keys.

string freshTimestampString() Get a fresh timestamp for the model.

static Model forceCreate(array $attributes)

static void cacheMutatedAttributes(string $class) Extract and

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

mixed getAttributeValue(string $key) Get a plain attribute (not a relationship)

Collection merge(mixed $items)

$this setVisible(array $visible) Set the visible attributes for the model

Collection values()