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

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

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

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

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

void __construct(Filesystem $files)

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

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

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

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