}

            @Override
            public Integer getCoordinatorHeartbeatTtlAsInteger() {
                return 180000;
            }

            @Override
            public Integer getCoordinatorOperationTtlAsInteger() {
                return 7200000;
            }

            @Override
            public Integer getCoordinatorOperationRetryAsInteger() {
                return 3;
            }

        final long now = System.currentTimeMillis();
        final long ttl = ComponentUtil.getFessConfig().getCoordinatorOperationTtlAsInteger().longValue();
        final String hostname = ComponentUtil.getSystemHelper().getHostname();

        final Map<String, Object> bodyMap = new java.util.LinkedHashMap<>();

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getCoordinatorOperationTtlAsInteger();

    /**
     * Get the value for the key 'coordinator.operation.retry'. <br>
     * The value is, e.g. 3 <br>
     * comment: Maximum number of retries for acquiring an operation lock.