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

int run(InputInterface $input, OutputInterface $output) Run the console

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

RestartCommand class RestartCommand extends

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

void warn(string $string) Write a string as warning output.

void comment(string $string) Write a string as comment output.

void __construct() Create a new console command instance.

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

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