import alluxio.master.AlluxioMaster;
import alluxio.underfs.UnderFileSystemRegistry;
import org.apache.mesos.Executor;
import org.apache.mesos.ExecutorDriver;
import org.apache.mesos.MesosExecutorDriver;
<BUG>import org.apache.mesos.Protos;
import javax.annotation.concurrent.ThreadSafe;</BUG>
@ThreadSafe
<BUG>public class AlluxioMasterExecutor implements Executor {
public AlluxioMasterExecutor() {}</BUG>
@Override

import alluxio.master.AlluxioMaster;
import alluxio.underfs.UnderFileSystemRegistry;
import org.apache.mesos.Executor;
import org.apache.mesos.ExecutorDriver;
import org.apache.mesos.MesosExecutorDriver;
import org.apache.mesos.Protos;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.concurrent.ThreadSafe;
@ThreadSafe
public class AlluxioMasterExecutor implements Executor {
private static final Logger LOG = LoggerFactory.getLogger(Constants.LOGGER_TYPE);
public AlluxioMasterExecutor() {}
@Override
