{"ast_node_type":"variable","tokens":[{"end":49,"kind":"keyword","start":0,"text":"let"}]}
    let is_from_other_crate = def_crate != krate;
    let def_crate = def.krate(db);
    let is_from_builtin_crate = def_crate.is_some_and(|def_crate| def_crate.is_builtin(db));