include: Add featurestagingapi.h.

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

include/Makefile.in

@@ -302,6 +302,7 @@ SOURCES = \
 	exposeenums2managed.h \
 	fci.h \
 	fdi.h \
+	featurestagingapi.h \
 	fileapi.h \
 	filter.idl \
 	fltdefs.h \

include/featurestagingapi.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2021 Alex Henrie
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef _FEATURESTAGINGAPI_H_
+#define _FEATURESTAGINGAPI_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+DECLARE_HANDLE(FEATURE_STATE_CHANGE_SUBSCRIPTION);
+
+typedef void WINAPI FEATURE_STATE_CHANGE_CALLBACK(void*);
+
+typedef enum FEATURE_CHANGE_TIME
+{
+    FEATURE_CHANGE_TIME_READ,
+    FEATURE_CHANGE_TIME_MODULE_RELOAD,
+    FEATURE_CHANGE_TIME_SESSION,
+    FEATURE_CHANGE_TIME_REBOOT
+} FEATURE_CHANGE_TIME;
+
+typedef enum FEATURE_ENABLED_STATE
+{
+    FEATURE_ENABLED_STATE_DEFAULT,
+    FEATURE_ENABLED_STATE_DISABLED,
+    FEATURE_ENABLED_STATE_ENABLED
+} FEATURE_ENABLED_STATE;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif