string getQuestion() Returns the question.

string getName() Returns the canonical name of this helper.

class Shell deprecated

setVerbosity(int $level) Sets the verbosity of the output.

class QuestionHelper extends Helper

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

class ProgressIndicator Methods

static setPlaceholderFormatterDefinition(string $name, callable $callable) Sets a

setProgress(int $step) Sets the current progress.

bool isDecorated() Gets the decorated flag.