public @NotNull CustomMembersHolder processExecutor(@NotNull GroovyClassDescriptor descriptor) {
    CustomMembersHolder holder = myFactorTree.retrieve(descriptor);
    try {
      if (holder == null) {
        holder = addGdslMembers(descriptor);
        myFactorTree.cache(descriptor, holder);
      }
      return holder;
    }
    catch (ProcessCanceledException e) {
      throw e;
    }
    catch (Throwable e) {
      handleDslError(e);
      return CustomMembersHolder.EMPTY;
    }
  }
public @NotNull CustomMembersHolder processExecutor(@NotNull GroovyClassDescriptor descriptor)