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

array arguments() Get all of the arguments passed to the command.

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

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

void info(string $string) Write a string as information output.

bool hasArgument(string|int $name) Determine if the given argument is present

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

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

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

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