* comment: Interval for hot thread monitoring (e.g., 500ms).
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerHotthreadInterval();

    /**
     * Get the value for the key 'crawler.hotthread.snapshots'. <br>
     * The value is, e.g. 10 <br>
     * comment: Number of snapshots for hot thread monitoring.