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

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

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

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

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

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

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

bool hasOption(string $name) Determine if the given option is present.

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

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