@Override
  public @NotNull Iterable<VirtualFile> iterInDbChildrenWithoutLoadingVfsFromOtherProjects() {
    if (!owningPersistentFS().wereChildrenAccessed(this)) {
      return Collections.emptyList();
    }
    if (!owningPersistentFS().areChildrenLoaded(this)) {
      loadPersistedChildren();
    }
    return getCachedChildren();
  }
@Override
  public @NotNull Iterable<VirtualFile> iterInDbChildrenWithoutLoadingVfsFromOtherProjects()