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

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

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

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

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

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

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

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

void table(array $headers, Arrayable|array $rows,

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