-import org.opendaylight.controller.sal.core.api.model.SchemaService;
-import org.opendaylight.controller.sal.dom.broker.impl.SchemaContextProvider;
+import com.google.common.collect.ClassToInstanceMap;
+import com.google.common.collect.ImmutableClassToInstanceMap;
+import org.opendaylight.mdsal.dom.api.DOMSchemaService;
+import org.opendaylight.mdsal.dom.api.DOMSchemaServiceExtension;