@Nullable
 private static ClassDescriptor getEnumEntry(
     @NotNull ClassDescriptor enumDescriptor, @NotNull String entryName) {
   ClassifierDescriptor result =
       enumDescriptor
           .getUnsubstitutedInnerClassesScope()
           .getContributedClassifier(Name.identifier(entryName), NoLookupLocation.FROM_BUILTINS);
   return result instanceof ClassDescriptor ? (ClassDescriptor) result : null;
 }