try (DirContextHolder holder = getDirContext(envSupplier)) {
            final SearchControls controls = new SearchControls();
            controls.setSearchScope(SearchControls.SUBTREE_SCOPE);
            if (returningAttrs != null) {
                controls.setReturningAttributes(returningAttrs);
            }

            final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

    return JavaLowerCase.INSTANCE;
  }

  /**
   * Determines whether a character is an ISO control character as specified by {@link
   * Character#isISOControl(char)}.
   *
   * <p>All ISO control codes are on the BMP and thus supported by this API.
   *
   * @since 19.0 (since 1.0 as constant {@code JAVA_ISO_CONTROL})
   */
  public static CharMatcher javaIsoControl() {
    return JavaIsoControl.INSTANCE;
  }

        return "duplicate_host";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<DuplicateHostCQ> queryLambda,

        return "key_match";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<KeyMatchCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<KeyMatchCQ>> functionsLambda,

        return "job_log";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<JobLogCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<JobLogCQ>> functionsLambda,

   * behavior.
   *
   * <p>Note that future implementations may abandon segment locking in favor of more advanced
   * concurrency controls.
   *
   * @return this {@code CacheBuilder} instance (for chaining)
   * @throws IllegalArgumentException if {@code concurrencyLevel} is nonpositive
   * @throws IllegalStateException if a concurrency level was already set

        return "click_log";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<ClickLogCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<ClickLogCQ>> functionsLambda,

        return "path_mapping";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<PathMappingCQ> queryLambda,

        return "file_authentication";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<FileAuthenticationCQ> queryLambda,

        return "request_header";
    }

    // ===================================================================================
    //                                                                       Query Control
    //                                                                       =============
    public void functionScore(OperatorCall<RequestHeaderCQ> queryLambda,