Command setHelp(string $help)

string extractNamespace(string $name, string $limit = null) Returns the namespace part of the

setHelperSet(HelperSet $helperSet)

HelperSet getHelperSet()

setExitCode(int $exitCode) Sets the exit code.

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

setForeground(string $color = null) Sets style foreground color.

setOverwrite(bool $overwrite) Sets whether to overwrite the progressbar, false for new line.

mixed getOption(string $name) Returns the option value for a given option name.

validate() Validates the input. Exceptions