public function showConfiguredTypesCommand()
    {
        $classesAndAnnotations = $this->indexInformer->getClassesAndAnnotations();
        $this->outputFormatted("<b>Available document type</b>");
        /** @var $annotation Indexable */
        foreach ($classesAndAnnotations as $className => $annotation) {
            $this->outputFormatted("%s", [$className], 4);
        }
    }