{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"Some(expect![\"https://doc.rust-lang.org/stable/std/index.html\"]),"}]}
        Some(expect!["https://doc.rust-lang.org/stable/std/index.html"]),
        Some("/home/user/project"),
        Some(expect!["file:///sysroot/share/doc/rust/html/std/index.html"]),