* Get the value for the key 'coordinator.poll.interval'. <br>
     * The value is, e.g. 60 <br>
     * comment: Interval (seconds) for polling heartbeats and events.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCoordinatorPollInterval();

    /**
     * Get the value for the key 'coordinator.poll.interval' as {@link Integer}. <br>

#                                                Coordinator
#                                                     ------

# Interval (seconds) for polling heartbeats and events.
coordinator.poll.interval=60
# Time-to-live (ms) for instance heartbeat documents.
coordinator.heartbeat.ttl=180000
# Time-to-live (ms) for operation lock documents.
coordinator.operation.ttl=7200000