mixed getDefault() Returns the default value.

string start(string $id, string $message, string $prefix = 'RUN') Starts a debug formatting session

HelperSet getHelperSet()

setProgressCharacter(string $char) Sets the progress bar character.

class NullOutput implements

addCommands(array $commands) Adds an array of command objects. If a Command is not enabled

class ApplicationDescription Constants GLOBAL_NAMESPACE

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

string apply(string $text) Applies the style to a given text.

bool acceptValue() Returns true if the option accepts a value.