boolean (PsiElement[] elements, boolean fromUpdate) { final Map<PsiFile, PsiClass[]> fileMap = convertToTopLevelClasses(elements, fromUpdate, null, null); if (fileMap != null && fileMap.size() == 1) { final PsiClass[] psiClasses = fileMap.values().iterator().next(); return psiClasses != null && psiClasses.length > 1; } return true; }