+ gboolean server_account);
+
+/**
+ * modest_account_mgr_set_list:
+ * @self: a ModestAccountMgr instance
+ * @name: the name of the account
+ * @key: the key of the value to set
+ * @val: the list with the values to set
+ * @list_type: the type of the members of the list
+ * @server_account: if TRUE, this is a server account
+ *
+ * * set a config list of values of type @list_type of an account
+ *
+ * returns TRUE if this succeeded, FALSE otherwise
+ */
+gboolean modest_account_mgr_set_list (ModestAccountMgr *self,
+ const gchar *name,
+ const gchar *key,
+ GSList *val,
+ ModestConfValueType list_type,
+ gboolean server_account);
+
+/**
+ * modest_account_mgr_unset:
+ * @self: a ModestAccountMgr instance
+ * @name: the name of the account
+ * @key: the key of the value to unset
+ * @server_account: if TRUE, this is a server account
+ * @err: a GError ptr, or NULL to ignore.
+ *
+ * unsets the config value of an account and all their children keys
+ *
+ * Returns: TRUE if unsetting the value succeeded, or FALSE in case of error.
+ * @err gives details in case of error
+ */
+gboolean modest_account_mgr_unset (ModestAccountMgr *self,
+ const gchar *name,
+ const gchar *key,
+ gboolean server_account);