{"ast_node_type":"variable","tokens":[{"end":36,"kind":"keyword","start":0,"text":"let"}]}
    let text = file.syntax().text();
fn on_eq_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> {
    let has_newline = iter::successors(Some(offset), |&offset| Some(offset + TextSize::new(1)))