static setPlaceholderFormatterDefinition(string $name, callable $callable) Sets a

TableStyle setHorizontalBorderChar(string

Question setNormalizer(callable $normalizer)

Command getCommand()

class HelpCommand extends Command

static formatMemory($memory) Parameters

int getVerbosity() Gets the current verbosity of the output.

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

mixed askAndValidate(OutputInterface

class ApplicationDescription Constants GLOBAL_NAMESPACE