ChoiceQuestion setMultiselect(bool

bool isHiddenFallback() In case the response can not be hidden, whether to fallback on non-hidden

bool isHidden() Returns whether the user response must be hidden.

mixed getDefault() Returns the default answer.

null|array|Traversable getAutocompleterValues()

Question setHiddenFallback(bool $fallback)

class ChoiceQuestion extends Question

bool isMultiselect() Returns whether the choices are multiselect.

Question setMaxAttempts(null|int $attempts)

Question setHidden(bool $hidden)