string|array argument(string $key = null) Get the value of a command argument

bool exists() Determine if any rows exist for the current query.

array when() Get the events that trigger this service provider to register

void info(string $string, null|int|string $verbosity = null) Write a string

$this makeVisible(array|string $attributes) Make the given, typically hidden

$this attach(string $file, array $options = array()) Attach a file to the

$this success() Indicate that the notification gives information about

void pattern(string $key, string $pattern) Set a global where pattern on

Collection zip(mixed $items)

array getAction() Get the action array for the route.