{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"rustc_span::create_default_session_globals_then(||"}]}
    rustc_span::create_default_session_globals_then(|| {
fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) {
        let sm = Arc::new(SourceMap::new(FilePathMapping::empty()));