{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"label_builder.start_location_link(ModuleDef::from(iter_trait).into());"}]}
                label_builder.start_location_link(ModuleDef::from(iter_trait).into());
                label_builder.write_str(LABEL_START)?;
                label_builder.write_str(LABEL_ITERATOR)?;