interface HelperInterface HelperInterface is the interface all helpers must implement.

InputInterface getInput()

setBarWidth(int $size) Sets the progress bar width.

push(

start(OutputInterface $output,

Command[] all(string $namespace = null)

setHeaders(array $headers) Parameters array $headers

class ChoiceQuestion extends Question

bool isVeryVerbose() Returns whether verbosity is very verbose (-vv).

Command setAliases(string[] $aliases)