writeln(string|array $messages, int $options = self::OUTPUT_NORMAL) Writes a message to the output

string getCellRowContentFormat() Gets row cell content format.

bool isValueOptional() Returns true if the option takes an optional value.

static string escape(string $text) Escapes "<" special char in given text.

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

string askQuestion(Question $question)

setDispatcher(

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

string getSynopsis(bool $short = false) Gets the synopsis.

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