{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"vfs.file_id(&path).and_then(|(file_id,"}]}
            vfs.file_id(&path).and_then(|(file_id, excluded)| {
            vfs.set_file_contents(path.clone(), contents);
                (excluded == vfs::FileExcluded::No).then_some(file_id)