void fire() Execute the console command.

string choice(string $question, array $choices, string $default = null, mixed $attempts = null, bool $multiple = null)

void line(string $string) Write a string as standard output.

void __construct(Filesystem $files)

int callSilent(string $command, array $arguments = array()) Call another

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

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

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

string ask(string $question, string $default = null) Prompt the user for

string ask(string $question, string $default = null) Prompt the user for