string truncate(string $message, int $length, string $suffix = '...') Truncates a message to

static string|null getFormatDefinition(string $name) Gets the format for a given name

progressFinish() Finishes the progress output.

error(string|array $message) Formats an error result bar.

bool isQuiet() Returns whether verbosity is quiet (-q).

InputOption getOptionForShortcut(string

setDefinition(array $definition) Sets the definition of the input.

string getQuestion() Returns the question.

string getDescription() Returns the description for the command.

setHelperSet(HelperSet $helperSet = null)