+
+/**
+ * modest_conf_key_valid:
+ * @str: some key
+ *
+ * check whether @str is a valid key in the config system
+ * This is a *class* function, and therefore does not require a ModestConf
+ * instance
+ *
+ * Returns: TRUE if it is valid, FALSE otherwise
+ */
+gboolean modest_conf_key_is_valid (const gchar* str);
+
+