READY,
    NOT_READY,
    DONE,
    FAILED,
  }

  private @Nullable T next;

  protected abstract @Nullable T computeNext();

  @CanIgnoreReturnValue
  protected final @Nullable T endOfData() {
    state = State.DONE;
    return null;
  }

  @Override
  public final boolean hasNext() {
    checkState(state != State.FAILED);
    switch (state) {
      case DONE:
        return false;

     * caught above) can linger and affect listeners.
     */
  }

  /**
   * Called before runInterruptibly - if true, runInterruptibly and afterRanInterruptibly will not
   * be called.
   */
  abstract boolean isDone();

  /**
   * Do interruptible work here - do not complete Futures here, as their listeners could be
   * interrupted.

     */
    protected Map<String, Long> queryCountMap = new LinkedHashMap<>();

    /**
     * List of field facets containing aggregated field values and their counts.
     */
    protected List<Field> fieldList = new ArrayList<>();

    /**
     * Constructs a FacetResponse from OpenSearch aggregations.
     * Processes both field facets and query facets from the aggregation results.
     *

 *
 * // later
 * try { // get() will throw if the operation failed or was cancelled.
 *   UserName userName = userNameValueAndCloser.get();
 *   // do something with userName
 * } finally {
 *   userNameValueAndCloser.closeAsync();
 * }
 * }
 *
 * In this example, when {@code userNameValueAndCloser.closeAsync()} is called, the transaction and

            System.clearProperty(Constants.FESS_CONFIG_PREFIX + testKey);
        }
    }

    // Test property filter returning null simulation
    public void test_get_filterReturnsNull() {
        // The filter.null property is configured to simulate null filter behavior
        try {
            fessConfig.get("filter.null");
            fail("Should throw exception when property is not found");

            },
            "ID": "OldPictures",
            "Filter": {
                "Prefix": "old/"
            },
            "Status": "Enabled"
        },
        {
            "Expiration": {
                "Days": 7
            },
            "ID": "TempUploads",
            "Filter": {
                "Prefix": "temp/"
            },
            "Status": "Enabled"
        }

        }
        return s;
    }

    /**
     * Gets the simple name of this dictionary file.
     * @return the simple name of the file
     */
    public String getSimpleName() {
        return new File(path).getName();
    }

    /**
     * Updates the dictionary file with content from the input stream.
     * @param in the input stream containing the new content

	// string "Failed"
	o = append(o, 0xa6, 0x46, 0x61, 0x69, 0x6c, 0x65, 0x64)
	o, err = z.Failed.MarshalMsg(o)
	if err != nil {
		err = msgp.WrapError(err, "Failed")
		return
	}
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *SRMetric) UnmarshalMsg(bts []byte) (o []byte, err error) {
	var field []byte
	_ = field
	var zb0001 uint32

				return
			}
			for zb0002 > 0 {
				zb0002--
				field, err = dc.ReadMapKeyPtr()
				if err != nil {
					err = msgp.WrapError(err, "Flags")
					return
				}
				switch msgp.UnsafeString(field) {
				case "Filter":
					err = z.Flags.Filter.DecodeMsg(dc)
					if err != nil {
						err = msgp.WrapError(err, "Flags", "Filter")
						return
					}
				case "Notify":

    /**
     * @param parent
     * @param delegate
     * @param filter
     */
    public DirFileEntryAdapterIterator(final SmbResource parent, final CloseableIterator<FileEntry> delegate, final ResourceFilter filter) {
        super(parent, delegate, filter);
    }

    /**
     * @param fe
     * @return
     * @throws MalformedURLException
     */
    @Override