{"ast_node_type":"variable","tokens":[{"end":71,"kind":"keyword","start":0,"text":"let"}]}
    let _p = tracing::info_span!("fetch_native_diagnostics").entered();
) -> Vec<(FileId, Vec<lsp_types::Diagnostic>)> {
    let _ctx = DbPanicContext::enter("fetch_native_diagnostics".to_owned());