int bt_ctf_visitor_helper(struct bt_ctf_visitor_object *root,
bt_ctf_child_count_accessor child_counter,
bt_ctf_child_accessor child_accessor,
int bt_ctf_visitor_helper(struct bt_ctf_visitor_object *root,
bt_ctf_child_count_accessor child_counter,
bt_ctf_child_accessor child_accessor,