bool isInteractive() Is this input means interactive?

addArgument(InputArgument $argument)

table(array $headers, array $rows) Formats a table.

bool isDebug() Returns whether verbosity is debug (-vvv).

class HelperSet implements IteratorAggregate

interface HelperInterface HelperInterface is the interface all helpers must implement.

string getEmptyBarCharacter() Gets the empty bar character.

bool hasParameterOption(string|array $values, bool $onlyParams = false) Returns true if the raw

setRedrawFrequency(int $freq) Sets the redraw frequency.

class ChoiceQuestion extends Question