boolean (PsiClass aClass, PsiClass baseClass) { if(baseClass.isInterface()) return true; if(baseClass.hasModifierProperty(PsiModifier.ABSTRACT)) return true; PsiMethod[] methods = aClass.getMethods(); for (PsiMethod method : methods) { if (method.isConstructor() || method.hasModifierProperty(PsiModifier.PRIVATE)) continue; PsiMethod baseMethod = baseClass.findMethodBySignature(method, true); if (baseMethod != null) { PsiClass containingClass = baseMethod.getContainingClass(); String qName = containingClass.getQualifiedName(); if (!CommonClassNames.JAVA_LANG_OBJECT.equals(qName)) return true; } } return false; }