import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import java.util.concurrent.CopyOnWriteArrayList;
<BUG>import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.rest.RestStatus;</BUG>
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import java.util.concurrent.CopyOnWriteArrayList;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.delete.DeleteResponse;
import org.elasticsearch.action.index.IndexResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
