void ( PsiClass aClass, StringBuilder buffer, PsiClassType[] refs, JavaDocHighlightingManager highlightingManager ) { if (refs.length > 0 || !aClass.isInterface() && !CommonClassNames.JAVA_LANG_OBJECT.equals(aClass.getQualifiedName())) { appendStyledSpan(buffer, highlightingManager.getKeywordAttributes(), " extends "); // <- Groovy keyword if (refs.length == 0) { appendStyledSpan(buffer, highlightingManager.getClassNameAttributes(), "Object"); } else { writeTypeRefs(aClass, buffer, refs, highlightingManager); } } }