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

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

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

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

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

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

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

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

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

void warn(string $string) Write a string as warning output.