{"ast_node_type":"variable","tokens":[{"end":90,"kind":"keyword","start":0,"text":"let"}]}
    let path = url.to_file_path().map_err(|()| anyhow::format_err!("url is not a file"))?;
pub(crate) fn abs_path(url: &lsp_types::Url) -> anyhow::Result<AbsPathBuf> {
    Ok(AbsPathBuf::try_from(Utf8PathBuf::from_path_buf(path).unwrap()).unwrap())