import java.io.File;
 import java.net.URL;
 import java.sql.SQLException;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Properties;
 import javax.sql.rowset.CachedRowSet;
 
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 
 /**
  * This class represents a message being sent out to DMaaP by APPC as async response.
 
 
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
-import com.google.common.collect.Lists;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import org.onap.appc.dg.flowbuilder.exception.InvalidDependencyModelException;
 import org.onap.appc.dg.objects.InventoryModel;
 import org.onap.appc.dg.objects.Node;
 import org.onap.appc.dg.objects.VnfcDependencyModel;
 
 import org.onap.appc.dg.objects.VnfcDependencyModel;
 
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 
 public class SequenceGeneratorInputBuilder {
 
 import java.util.Set;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
 import org.apache.commons.lang.StringUtils;
 import org.onap.appc.dg.objects.InventoryModel;
 import org.onap.appc.dg.objects.Node;
 
 
 package org.onap.appc.services.dmaapService;
 
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.Properties;
-import java.util.Set;
 import org.onap.appc.listener.AppcEventListenerActivator;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 
 package org.onap.appc.services.dmaapService;
 
-import org.onap.appc.adapter.messaging.dmaap.http.HttpDmaapConsumerImpl;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import com.att.eelf.configuration.EELFLogger;
 
 
 import org.onap.appc.adapter.message.MessageAdapterFactory;
 import org.onap.appc.adapter.message.Producer;
-import org.onap.appc.adapter.messaging.dmaap.http.HttpDmaapProducerImpl;
 
 @Service
 public class PublishService {