public static LoadMetadataPOptions loadMetadataDefaults(AlluxioConfiguration conf) {
    return LoadMetadataPOptions.newBuilder()
        .setCommonOptions(commonDefaults(conf))
        .setCreateAncestors(false)
        .setLoadDescendantType(LoadDescendantPType.NONE)
        .setRecursive(false)
        .build();
  }
@Test
  public void loadMetadataOptionsDefaults() {
    LoadMetadataPOptions options = FileSystemOptionsUtils.loadMetadataDefaults(mConf);
    assertNotNull(options);
    assertFalse(options.getCreateAncestors());
    assertFalse(options.getRecursive());
    assertEquals(options.getLoadDescendantType(), LoadDescendantPType.NONE);
  }