@Override
        public HeartbeatSubscription[] newArray(int size) {
            return new HeartbeatSubscription[size];
        }
Heartbeat subscription.

@param src       Source address for Heartbeat messages.
@param dst       Destination address for Heartbeat messages.
@param periodLog Remaining period for processing Heartbeat messages.
@param countLog  Number of Heartbeat messages received.
@param minHops   Minimum hops when receiving Heartbeat messages.
@param maxHops   Maximum hops when receiving Heartbeat messages.
mesh/src/main/java/no/nordicsemi/android/mesh/utils/HeartbeatSubscription.java