void error(string $string, null|int|string $verbosity = null) Write a string

string|array option(string $key = null) Get the value of a command option

ConfigPublishCommand class ConfigPublishCommand extends

string ask(string $question, string $default = null) Prompt the user for

int callSilent(string $command, array $arguments = array()) Call another

void error(string $string) Write a string as error output.

string anticipate(string $question, array $choices, string $default = null)

ConfigClearCommand class ConfigClearCommand extends

int call(string $command, array $arguments = array()) Call another console

OutputInterface getOutput() Get the output implementation.