#define DS_GUID_PROGRAM_DATA_CONTAINER "09460C08AE1E4A4EA0F64AEE7DAA1E5A"
#define DS_GUID_SYSTEMS_CONTAINER "AB1D30F3768811D1ADED00C04FD8D5CD"
#define DS_GUID_USERS_CONTAINER "A9D1CA15768811D1ADED00C04FD8D5CD"
+
+/* wellknown GUIDs for optional directory features */
+#define DS_GUID_FEATURE_RECYCLE_BIN "766ddcd8-acd0-445e-f3b9-a7f9b6744f2a"