import org.onap.crud.entity.Edge;
import org.onap.crud.entity.Vertex;
import org.onap.crud.exception.CrudException;
-import org.onap.crud.service.BulkPayload;
-import org.onap.crud.service.EdgePayload;
-import org.onap.crud.service.VertexPayload;
import org.onap.schema.EdgeRulesLoader;
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import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;