String (@NotNull PsiClass checkedClass, String qualifiedName) { PsiClass parentClass = ObjectUtils.tryCast(checkedClass.getParent(), PsiClass.class); if (parentClass == null) { return qualifiedName; } else { // package.parent$inner string cannot be found, so, search by parent FQN String parentQualifiedName = parentClass.getQualifiedName(); return parentQualifiedName != null ? parentQualifiedName : qualifiedName; } }