void line(string $string, string $style = null, null|int|string $verbosity = null)

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

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

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

void __construct(string $signature, Closure $callback)

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

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

OutputInterface getOutput() Get the output implementation.

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

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