void __construct(mixed $items = array()) Create a new collection.

static mixed __callStatic(string $method, array $args) Handle

static void swap(mixed $instance) Hotswap the underlying instance

static Expectation shouldReceive() Initiate a mock expectation

Collection diff(mixed $items)

static string random(int $length = 16) Generate a more truly

mixed pipe(callable $callback) Pass the collection to the given callback

Collection unique(string|callable|null $key = null, bool $strict =

static void clearResolvedInstance(string $name) Clear a resolved

$this transform(callable $callback) Transform each item in the collection