protected int sizeForUpdate = 100;

    protected String scrollForUpdate = "1m";

    protected int maxConfigSyncStatusRetry = 10;

    protected int maxEsStatusRetry = 60;

    protected String clusterName = "fesen";

    protected final List<UnaryOperator<String>> docSettingRewriteRuleList = new ArrayList<>();

    return MoreObjects.firstNonNull(valueEquivalence, getValueStrength().defaultEquivalence());
  }

  /**
   * Sets the minimum total size for the internal hash tables. For example, if the initial capacity
   * is {@code 60}, and the concurrency level is {@code 8}, then eight segments are created, each
   * having a hash table of size eight. Providing a large enough estimate at construction time