import javax.ws.rs.core.Response;
import org.apache.ambari.common.rest.entities.ClusterDefinition;
import org.apache.ambari.common.rest.entities.ClusterState;
import org.apache.ambari.common.rest.entities.Node;
import org.apache.ambari.common.rest.entities.RoleToNodes;
<BUG>import org.apache.ambari.common.util.ExceptionUtil;
import org.apache.ambari.resource.statemachine.StateMachineInvoker;</BUG>
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class Clusters {

import javax.ws.rs.core.Response;
import org.apache.ambari.common.rest.entities.ClusterDefinition;
import org.apache.ambari.common.rest.entities.ClusterState;
import org.apache.ambari.common.rest.entities.Node;
import org.apache.ambari.common.rest.entities.RoleToNodes;
import org.apache.ambari.common.util.ExceptionUtil;
import org.apache.ambari.resource.statemachine.ClusterFSM;
import org.apache.ambari.resource.statemachine.StateMachineInvoker;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class Clusters {
