use Symfony\Component\Console\Output\ConsoleOutputInterface; use Symfony\Component\Console\Output\OutputInterface; $output = new ConsoleOutputInterface(); // Error message will be displayed in red color. $errorOutput = $output->getErrorOutput(); $errorOutput->writeln('In this example, we create an instance of the ConsoleOutputInterface class and then use the getErrorOutput() method to get an instance of OutputInterface that displays error messages. We then use the writeln() method to display an error message in red color. Overall, the OutputInterface class provides a convenient and flexible way to output data to the console, including error messages using the getErrorOutput() method.Error message ');