node->add_child_nocopy (_silence_beginning.get_state());
node = end->add_child ("Trim");
node->add_property ("enabled", trim_end() ? "true" : "false");
node = end->add_child ("Add");
node->add_child_nocopy (_silence_beginning.get_state());
node = end->add_child ("Trim");
node->add_property ("enabled", trim_end() ? "true" : "false");
node = end->add_child ("Add");