@Override
  public @NotNull Collection<? extends IndexableIteratorBuilder> getAddedEntityIteratorBuilders(@NotNull CustomSourceRootPropertiesEntity entity,
                                                                                                @NotNull Project project) {
    return createIterators(entity.getSourceRoot());
  }
@Override
  public @NotNull Collection<? extends IndexableIteratorBuilder> getAddedEntityIteratorBuilders(@NotNull CustomSourceRootPropertiesEntity entity,
                                                                                                @NotNull Project project)