LilvNodes* presets = lilv_plugin_get_related(_impl->plugin, pset_Preset);
LILV_FOREACH(nodes, i, presets) {
const LilvNode* preset = lilv_nodes_get(presets, i);
lilv_world_load_resource(_world.world, preset);
LilvNode* name = get_value(_world.world, preset, rdfs_label);
LilvNodes* presets = lilv_plugin_get_related(_impl->plugin, pset_Preset);
LILV_FOREACH(nodes, i, presets) {
const LilvNode* preset = lilv_nodes_get(presets, i);
lilv_world_load_resource(_world.world, preset);
LilvNode* name = get_value(_world.world, preset, rdfs_label);