bool confirm(string $question, bool $default = false) Confirm a question

void fire() Execute the console command.

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

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

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

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

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

RollbackCommand class RollbackCommand extends

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

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