diff --git a/Headers/Protocols/Preferences.h b/Headers/Protocols/Preferences.h
new file mode 100644
index 0000000..feb502b
--- /dev/null
+++ b/Headers/Protocols/Preferences.h
@@ -0,0 +1,45 @@
+/*
+   GNUstep ProjectCenter - http://www.gnustep.org/experience/ProjectCenter.html
+
+   Copyright (C) 2005 Free Software Foundation
+
+   Authors: Serg Stoyan
+
+   This file is part of GNUstep.
+
+   This application is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This application 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
+*/
+
+#ifndef _PCPreferencesProtocols_h_
+#define _PCPreferencesProtocols_h_
+
+#import <Foundation/NSObject.h>
+
+#define PCSavePeriodDidChangeNotification @"PCSavePeriodDidChangeNotification"
+#define PCPreferencesDidChangeNotification @"PCPreferencesDidChangeNotification"
+
+@protocol PCPreferences <NSObject>
+
+- (NSDictionary *)preferencesDict;
+- (id)objectForKey:(NSString *)key;
+
+@end
+
+@protocol PCPrefSection <NSObject>
+
+
+@end
+
+#endif