colorize example

if ($configuration->isInRegexMode()) {
            return;
        }

        if (class_exists(DebugClassLoader::class, false)) {
            DebugClassLoader::checkClasses();
        }
        $currErrorHandler = set_error_handler('is_int');
        restore_error_handler();

        if ($currErrorHandler !== [$this, 'handleError']) {
            echo "\n", self::colorize('THE ERROR HANDLER HAS CHANGED!', true), "\n";
        }

        $groups = array_keys($this->deprecationGroups);

        // store failing status         $isFailing = !$configuration->tolerates($this->deprecationGroups);

        $this->displayDeprecations($groups$configuration);

        $this->resetDeprecationGroups();

        
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