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

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

bool|null fire() Execute the console command.

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

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

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

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

string secret(string $question, bool $fallback = true) Prompt the user

string askWithCompletion(string $question, array $choices, string $default = null)

InstallCommand class InstallCommand extends