/**
     * @param ICommand $command
     */
    public function setup(ICommand $command)
    {
        $command->setName('config:dump')->setDescription('Dump configuration');
        $command->argument(ArgumentType::SINGLE_OPTIONAL, 'search')->setDescription('Config node name to dump');
        $command->setHelp(<<<EOT
You can dump all config with
 <keyword>config:dump</keyword>

You can filter config by key
 <keyword>config:dump keyword</keyword>

This will match a config starting with "<yellow>keyword</yellow>"
 <keyword>config:dump keyword*</keyword>

This will match a config ending with "<yellow>keyword</yellow>"
 <keyword>config:dump *keyword</keyword>

This will match everything that has "<yellow>keyword</yellow>" somewhere in the string
 <keyword>config:dump *keyword*</keyword>

EOT
);
    }