Classes/Console/Mvc/Cli/ConsoleOutput.php
public function output($text, array $arguments = [])
    {
        if ($arguments !== []) {
            $text = vsprintf($text, $arguments);
        }
        if (getenv('TYPO3_CONSOLE_SUB_PROCESS')) {
            $this->output->write($text, false, OutputInterface::OUTPUT_RAW);
        } else {
            $this->output->write($text);
        }
    }
public function output($text, array $arguments = [])
    {
        if ($arguments !== []) {
            $text = vsprintf($text, $arguments);
        }
        if (getenv('TYPO3_CONSOLE_SUB_PROCESS')) {
            $this->output->write($text, false, OutputInterface::OUTPUT_RAW);
        } else {
            $this->output->write($text);
        }
    }
Outputs specified text to the console window
You can specify arguments that will be passed to the text via sprintf
@see http://www.php.net/sprintf

@param string $text Text to output
@param array $arguments Optional arguments to use for sprintf
@return void