@Override
  public @Nullable ListSeparator getSeparatorAbove(JsonSchemaInfo value) {
    List<JsonSchemaInfo> values = getValues();
    int index = values.indexOf(value);
    if (index - 1 >= 0) {
      JsonSchemaInfo info = values.get(index - 1);
      if (info == EDIT_MAPPINGS || info == ADD_MAPPING) {
        return new ListSeparator(JsonBundle.message("schema.widget.registered.schemas"));
      }
      if (value.getProvider() == null && info.getProvider() != null) {
        return new ListSeparator(JsonBundle.message("schema.widget.store.schemas"));
      }
    }
    return null;
  }
@Override
  public @Nullable ListSeparator getSeparatorAbove(JsonSchemaInfo value)