import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
import org.opendaylight.yangtools.yang.parser.builder.util.AbstractDocumentedDataNodeContainer;
-final class GroupingDefinitionImpl extends AbstractDocumentedDataNodeContainer implements
-GroupingDefinition {
+/**
+ * @deprecated Pre-Beryllium implementation, scheduled for removal.
+ */
+@Deprecated
+final class GroupingDefinitionImpl extends AbstractDocumentedDataNodeContainer implements GroupingDefinition {
private final QName qname;
private final SchemaPath path;