bool hasArgument(string|int $name) Returns true if an InputArgument object exists by name or

class Application An Application is the container for a collection of commands. It is the

string getQuestion() Returns the question.

setCurrent(int $current, bool $redraw = false) Sets the current progress.

setDefinition(InputDefinition $definition)

string getName() Gets the name of the application.

bool hasStyle(string $name) Checks if output formatter has style with specified name.

setDefault(mixed $default = null) Sets the default value.

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

setDecorated(bool $decorated) Sets the decorated flag.