{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"builder.add_file_set(vec![VfsPath::new_virtual_path(\"/ROOT/def/abc/def/ghi\".to_owned())]);"}]}
        builder.add_file_set(vec![VfsPath::new_virtual_path("/ROOT/def/abc/def/ghi".to_owned())]);
        ]);
        let fsc = builder.build();