String (@NotNull PsiTypeParameterListOwner typeParameterListOwner) { if (typeParameterListOwner instanceof PsiClass) { return JavaErrorBundle.message("generics.holder.type"); } else if (typeParameterListOwner instanceof PsiMethod) { return JavaErrorBundle.message("generics.holder.method"); } else { LOG.error("Unknown " + typeParameterListOwner); return "?"; } }