import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
<BUG>import org.apache.log4j.Logger;
import org.mobicents.tools.sip.balancer.BalancerRunner;</BUG>
import org.mobicents.tools.sip.balancer.SIPNode;
import org.mobicents.tools.smpp.multiplexer.MClientConnectionImpl.ClientState;
import com.cloudhopper.smpp.SmppConstants;

import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import org.apache.log4j.Logger;
import org.mobicents.tools.sip.balancer.ActiveStandbyAlgorithm;
import org.mobicents.tools.sip.balancer.BalancerRunner;
import org.mobicents.tools.sip.balancer.SIPNode;
import org.mobicents.tools.smpp.multiplexer.MClientConnectionImpl.ClientState;
import com.cloudhopper.smpp.SmppConstants;
