diff --git a/include/vswriter.h b/include/vswriter.h
index 043b871cb60..f0cc842a8de 100644
--- a/include/vswriter.h
+++ b/include/vswriter.h
@@ -44,4 +44,19 @@ typedef enum
     VSS_AWS_THIS_IS_ALTERNATE_WRITER
 } VSS_ALTERNATE_WRITER_STATE;
 
+typedef enum VSS_COMPONENT_TYPE
+{
+    VSS_CT_UNDEFINED,
+    VSS_CT_DATABASE,
+    VSS_CT_FILEGROUP
+} VSS_COMPONENT_TYPE;
+
+typedef enum VSS_FILE_RESTORE_STATUS
+{
+    VSS_RS_UNDEFINED,
+    VSS_RS_NONE,
+    VSS_RS_ALL,
+    VSS_RS_FAILED
+} VSS_FILE_RESTORE_STATUS;
+
 #endif /* ___WINE_VSWRITER_H */