bool configurationIsCached() Determine if the application configuration

bool publish(string $package, string $source) Publish configuration files

$this prependMiddleware(string $middleware) Add a new middleware to beginning

bool isDeferredService(string $service) Determine if the given service

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

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

void handleError(int $level, string $message, string $file = '', int $line, array $context = array())

bool hasCast(string $key, array|string|null $types = null) Determine whether

$this putJson(string $uri, array $data = array(), array $headers = array())

void validateWith(Validator|array $validator