*/ class Collection extends BaseCollection implements QueueableCollection { /** * Find a model in the collection by key. * * @template TFindDefault * * @param mixed $key * @param TFindDefault $default * @phpstan-return ($key is \Illuminate\Database\Eloquent\Model ? TModel|TFindDefault : ($key is (\Illuminate\Contracts\Support\Arrayable|array) ? static : TModel|TFindDefault)) */ public function find($key, $default = null); /** * Run a map over each of the items. * * @template TMapValue * * @param callable(TModel, TKey): TMapValue $callback * @return (TMapValue is \Illuminate\Database\Eloquent\Model ? static : \Illuminate\Support\Collection) */ public function map(callable $callback); /** * Run an associative map over each of the items. * * The callback should return an associative array with a single key / value pair. * * @template TMapWithKeysKey of array-key * @template TMapWithKeysValue * * @param callable(TModel, TKey): array $callback * @return (TMapWithKeysValue is \Illuminate\Database\Eloquent\Model ? static : \Illuminate\Support\Collection) */ public function mapWithKeys(callable $callback); }