*/
    boolean is(String propertyKey);

    /**
     * Get the value for the key 'lasta_di.smart.deploy.mode'. <br>
     * The value is, e.g. warm <br>
     * comment: The mode of Lasta Di's smart-deploy, should be cool in production (e.g. hot, cool, warm)
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getLastaDiSmartDeployMode();

    /**

    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // // #4
    }
    stopwatch.sleepMillis(200); // #5: to repay for the last acquire
    stopwatch.sleepMillis(1000); // #6: still warm! It would take another 3 seconds to go cold
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // #7
    }
    assertEvents(
        "R0.00, R1.75, R1.26, R0.76, R0.30, R0.20, R0.20, R0.20", // #1

            defaultMap.put(FessConfig.STORAGE_MAX_ITEMS_IN_PAGE, "1000");
            defaultMap.put(FessConfig.PASSWORD_INVALID_ADMIN_PASSWORDS, "admin");
            defaultMap.put(FessConfig.lasta_di_SMART_DEPLOY_MODE, "warm");
            defaultMap.put(FessConfig.DEVELOPMENT_HERE, "true");
            defaultMap.put(FessConfig.ENVIRONMENT_TITLE, "Local Development");
            defaultMap.put(FessConfig.FRAMEWORK_DEBUG, "false");

    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // // #4
    }
    stopwatch.sleepMillis(200); // #5: to repay for the last acquire
    stopwatch.sleepMillis(1000); // #6: still warm! It would take another 3 seconds to go cold
    for (int i = 0; i < 8; i++) {
      limiter.acquire(); // #7
    }
    assertEvents(
        "R0.00, R1.75, R1.26, R0.76, R0.30, R0.20, R0.20, R0.20", // #1

   *          |              /   .     thresholdPermits and maxPermits
   *          |             /    .
   *          |            /     .
   *          |           /      .
   *   stable +----------/  WARM .
   * interval |          .   UP  .
   *          |          . PERIOD.
   *          |          .       .
   *        0 +----------+-------+--------------→ storedPermits
   *          0 thresholdPermits maxPermits