import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
- import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashMap;
+ import java.util.LinkedList;
import java.util.List;
import java.util.Map;
+import javax.validation.constraints.NotNull;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.api.CpsQueryService;