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

StorageLinkCommand class StorageLinkCommand extends

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

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

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

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

void fire() Execute the console command.

ConfigCacheCommand class ConfigCacheCommand extends

bool|null fire() Execute the console command.

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