ignoreValidationErrors() Ignores validation errors. This is mainly useful for the help command

string getHorizontalBorderChar() Gets horizontal border character.

setOption(string $option) Sets some specific style option.

mixed getParameterOption(string|array $values, mixed $default = false, bool $onlyParams = false)

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

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

string stop(string $id, string $message, bool $successful, string $prefix = 'RES') Stops a formatting

Command addArgument(string $name, int $mode

Command setDefinition(array|

setHelperSet(HelperSet $helperSet)