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

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

void setLaravel(Container $laravel)

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

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

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

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

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

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

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