private void handleImmediateBlockAcks(final int seqZero, final int ttl, final int src, final int dst, final int segN) {
        cancelIncompleteTimer();
        sendBlockAck(seqZero, ttl, src, dst, segN);
    }
Send immediate block acknowledgement

@param seqZero seqzero of the message
@param ttl     ttl of the message
@param src     source address of the message
@param dst     destination address of the message
@param segN    total segment count
mesh/src/main/java/no/nordicsemi/android/mesh/transport/LowerTransportLayer.java