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

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

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

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

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

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

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

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

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