{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"VfsPath::new_virtual_path(\"/foo/src/bar/baz/lib.rs\".into()),"}]}
        VfsPath::new_virtual_path("/foo/src/bar/baz/lib.rs".into()),
    vfs.set_file_contents(
        Some(Vec::new()),