if (existing != null) {
          return existing;
        }
      }
      drainQueue();
      return created;
    }

    // N.B. Draining the queue is only necessary to ensure that we don't accumulate empty references
    // in the array. We could skip this if we decide we don't care about holding on to Reference
    // objects indefinitely.

   * hosting filesystem becomes unreachable, the iterator will omit elements rather than throwing
   * exceptions.
   *
   * **The caller must [close][Snapshot.close]** each snapshot returned by [Iterator.next]. Failing
   * to do so leaks open files!
   */
  @Synchronized
  @Throws(IOException::class)
  fun snapshots(): MutableIterator<Snapshot> {
    initialize()
    return object : MutableIterator<Snapshot> {

	// ListBuckets
	apiRouter.Methods(http.MethodGet).Path(SlashSeparator).
		HandlerFunc(s3APIMiddleware(api.ListBucketsHandler))

	// S3 browser with signature v4 adds '//' for ListBuckets request, so rather
	// than failing with UnknownAPIRequest we simply handle it for now.
	apiRouter.Methods(http.MethodGet).Path(SlashSeparator + SlashSeparator).
		HandlerFunc(s3APIMiddleware(api.ListBucketsHandler))

// --------------------------------------------------------------------------
// In-process TensorFlow server functionality, for use in distributed training.
// A Server instance encapsulates a set of devices and a Session target that
// can participate in distributed training. A server belongs to a cluster
// (specified by a ClusterSpec), and corresponds to a particular task in a

    - [Node Binaries](#node-binaries-13)
  - [Changelog since v1.22.3](#changelog-since-v1223)
  - [Changes by Kind](#changes-by-kind-12)
    - [Feature](#feature-5)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-12)
  - [Dependencies](#dependencies-13)
    - [Added](#added-13)
    - [Changed](#changed-13)
    - [Removed](#removed-13)
- [v1.22.3](#v1223)

      means any form of electronic, verbal, or written communication sent
      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the
      Licensor for the purpose of discussing and improving the Work, but

0FD5..0FD8    ; valid                  ;      ; NV8    # 5.2  RIGHT-FACING SVASTI SIGN..LEFT-FACING SVASTI SIGN WITH DOTS
0FD9..0FDA    ; valid                  ;      ; NV8    # 6.0  TIBETAN MARK LEADING MCHAN RTAGS..TIBETAN MARK TRAILING MCHAN RTAGS
0FDB..0FFF    ; disallowed                             # NA   <reserved-0FDB>..<reserved-0FFF>
1000..1021    ; valid                                  # 3.0  MYANMAR LETTER KA..MYANMAR LETTER A

    public static final String ERRORS_design_file_is_unsupported_type = "{errors.design_file_is_unsupported_type}";

    /** The key of the message: Failed to create a crawling config. */
    public static final String ERRORS_failed_to_create_crawling_config_at_wizard = "{errors.failed_to_create_crawling_config_at_wizard}";

    /** The key of the message: This feature is disabled. */

  - [Changes by Kind](#changes-by-kind-2)
    - [Deprecation](#deprecation-1)
    - [API Change](#api-change-1)
    - [Feature](#feature-2)
    - [Failing Test](#failing-test)
    - [Bug or Regression](#bug-or-regression-2)
    - [Other (Cleanup or Flake)](#other-cleanup-or-flake-2)
  - [Dependencies](#dependencies-2)
    - [Added](#added-2)
    - [Changed](#changed-2)

on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated...