{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"range:"}]}
        range: Range::new(Position::new(0, 0), Position::new(3, 1)),
    let res = server.send_request::<InlayHintRequest>(InlayHintParams {
        text_document: server.doc_id("src/lib.rs"),