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

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

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

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

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