-import org.togglz.core.manager.FeatureManager;
-
-import javax.ws.rs.BadRequestException;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
-import java.util.UUID;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import static java.util.stream.Collectors.collectingAndThen;
-import static java.util.stream.Collectors.toList;
-import static org.apache.commons.lang.StringUtils.upperCase;
-import static org.onap.vid.changeManagement.ChangeManagementRequest.MsoChangeManagementRequest;
-import static org.onap.vid.controller.MsoController.CONFIGURATION_ID;
-import static org.onap.vid.controller.MsoController.REQUEST_TYPE;
-import static org.onap.vid.controller.MsoController.SVC_INSTANCE_ID;
-import static org.onap.vid.controller.MsoController.VNF_INSTANCE_ID;
-import static org.onap.vid.controller.MsoController.WORKFLOW_ID;
-import static org.onap.vid.mso.MsoProperties.MSO_REST_API_CLOUD_RESOURCES_REQUEST_STATUS;
-import static org.onap.vid.mso.MsoProperties.MSO_REST_API_OPERATIONAL_ENVIRONMENT_ACTIVATE;
-import static org.onap.vid.mso.MsoProperties.MSO_REST_API_OPERATIONAL_ENVIRONMENT_CREATE;
-import static org.onap.vid.mso.MsoProperties.MSO_REST_API_OPERATIONAL_ENVIRONMENT_DEACTIVATE;
-import static org.onap.vid.mso.MsoProperties.MSO_REST_API_WORKFLOW_SPECIFICATIONS;
-import static org.onap.vid.properties.Features.FLAG_UNASSIGN_SERVICE;
-import static org.onap.vid.utils.Logging.debugRequestDetails;