@@ -40,10 +40,11 @@
     OFSerialization, OFMessagePackRepresentation>
 {
 	unsigned char *_items;
 	size_t _count, _itemSize;
 	bool _freeWhenDone;
+	OFData *_parentData;
 }
 
 /*!
  * @brief The size of a single item in the OFData in bytes.
  */
@@ -277,10 +278,18 @@
  * @param index The number of the item to return
  * @return The specified item of the OFData
  */
 - (const void *)itemAtIndex: (size_t)index OF_RETURNS_INNER_POINTER;
 
+/*!
+ * @brief Returns the data in the specified range as a new OFData.
+ *
+ * @param range The range of the data for the new data
+ * @return The data in the specified range as a new OFData
+ */
+- (OFData *)subdataWithRange: (of_range_t)range;
+
 /*!
  * @brief Returns the range of the data.
  *
  * @param data The data to search for
  * @param options Options modifying search behavior.@n