// PREFERENCE KEY
-#define PREFERENCE_AFS_SYS_PAT @"PREFERENCE_AFS_SYS_PAT"
-#define PREFERENCE_AFS_SYS_PAT_STATIC @"/var/db/openafs"
-#define PREFERENCE_USE_AKLOG @"PREFERENCE_USE_AKLOG"
-#define PREFERENCE_START_AFS_AT_STARTUP @"PREFERENCE_START_AFS_AT_STARTUP"
-#define PREFERENCE_SHOW_STATUS_MENU @"PREFERENCE_SHOW_STATUS_MENU"
-#define PREFERENCE_AKLOG_TOKEN_AT_LOGIN @"PREFERENCE_AKLOG_TOKEN_AT_LOGIN"
-#define PREFERENCE_USE_LINK @"PREFERENCE_USE_LINK"
-#define PREFERENCE_LINK_CONFIGURATION @"PREFERENCE_LINK_CONFIGURATION"
+#define PREFERENCE_AFS_SYS_PAT @"PREFERENCE_AFS_SYS_PAT"
+#define PREFERENCE_AFS_SYS_PAT_STATIC @"/var/db/openafs"
+#define PREFERENCE_USE_AKLOG @"PREFERENCE_USE_AKLOG"
+#define PREFERENCE_START_AFS_AT_STARTUP @"PREFERENCE_START_AFS_AT_STARTUP"
+#define PREFERENCE_SHOW_STATUS_MENU @"PREFERENCE_SHOW_STATUS_MENU"
+#define PREFERENCE_AKLOG_TOKEN_AT_LOGIN @"PREFERENCE_AKLOG_TOKEN_AT_LOGIN"
+#define PREFERENCE_USE_LINK @"PREFERENCE_USE_LINK"
+#define PREFERENCE_LINK_CONFIGURATION @"PREFERENCE_LINK_CONFIGURATION"
+#define PREFERENCE_KRB5_RENEW_TIME @"PREFERENCE_KRB5_RENEW_TIME"
+#define PREFERENCE_KRB5_RENEW_TIME_DEFAULT_VALUE 3600
+#define PREFERENCE_KRB5_SEC_TO_EXPIRE_TIME_FOR_RENEW @"PREFERENCE_KRB5_SEC_TO_EXPIRE_TIME_FOR_RENEW"
+#define PREFERENCE_KRB5_SEC_TO_EXPIRE_TIME_FOR_RENEW_DEFAULT_VALUE 3600
+#define PREFERENCE_KRB5_RENEW_CHECK_TIME_INTERVALL @"PREFERENCE_KRB5_RENEW_CHECK_TIME_INTERVALL"
+#define PREFERENCE_KRB5_RENEW_CHECK_TIME_INTERVALL_DEFAULT_VALUE 3600
+#define PREFERENCE_KRB5_CHECK_ENABLE @"PREFERENCE_KRB5_CHECK_ENABLE"
// AFSMENUEXTRA INFO
#define kAFSMenuExtra [NSURL fileURLWithPath:[[self bundle] pathForResource:@"AFSBackgrounder" ofType:@"app" inDirectory:@""]]