array when() Get the events that trigger this service provider to register

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

RoutesCommand class RoutesCommand extends

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

void line(string $string, string $style = null, null|int|string $verbosity = null)

void table(array $headers, array $rows, string $style = 'default') Format

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

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

array options() Get all of the options passed to the command.

OutputInterface getOutput() Get the output implementation.