* by it and by its input steps.
 *
 * <h3>Ending a pipeline</h3>
 *
 * Each {@code ClosingFuture} pipeline must be ended. To end a pipeline, decide whether you want to
 * close the captured objects automatically or manually.
 *
 * <h4>Automatically closing</h4>
 *
 * You can extract a {@link Future} that represents the result of the last step in the pipeline by

from being positioned outside the boundary.\n   *\n   * A scenario exists where the reference itself is not within the boundaries.<br />\n   * We can say it has \"escaped the boundaries\" — or just \"escaped\".<br />\n   * In this case we need to decide whether the popper should either:\n   *\n   * - detach from the reference and remain \"trapped\" in the boundaries, or\n   * - if it should ignore the boundary and \"escape with its reference\"\n   *\n   * When `escapeWithReference` is set to`true`...

 * by it and by its input steps.
 *
 * <h3>Ending a pipeline</h3>
 *
 * Each {@code ClosingFuture} pipeline must be ended. To end a pipeline, decide whether you want to
 * close the captured objects automatically or manually.
 *
 * <h4>Automatically closing</h4>
 *
 * You can extract a {@link Future} that represents the result of the last step in the pipeline by

    /** The key of the message: Dictionary ID */
    public static final String LABELS_DICT_ID = "{labels.dictId}";

    /** The key of the message: Document ID */
    public static final String LABELS_DOC_ID = "{labels.docId}";

    /** The key of the message: End Time */
    public static final String LABELS_END_TIME = "{labels.endTime}";

    /** The key of the message: hq */
    public static final String LABELS_HQ = "{labels.hq}";