mixed last(callable $callback = null, mixed $default = null) Get the last

bool isEmpty() Determine if the collection is empty or not.

static string title(string $value) Convert the given string

Collection map(callable $callback)

Collection merge(mixed $items)

Collection shuffle(int $seed = null)

mixed later(DateTime|int $delay,

array all() Get all of the items in the collection.

static Expectation shouldReceive() Initiate a mock expectation

static void clearResolvedInstances() Clear all of the resolved