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

void __construct() Create a new console command instance.

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

bool confirm(string $question, bool $default = false) Confirm a question

OutputInterface getOutput() Get the output implementation.

Kernel class Kernel implements

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

ListenerMakeCommand class ListenerMakeCommand extends

string output() Get the output for the last run command.

void warn(string $string) Write a string as warning output.