{"ast_node_type":"variable","tokens":[{"end":47,"kind":"keyword","start":0,"text":"if"}]}
    if let Some(derefed_ty) = ty.remove_ref() {
fn ref_of_param(ctx: &CompletionContext<'_>, arg: &str, ty: &hir::Type<'_>) -> &'static str {
        for (name, local) in ctx.locals.iter().sorted_by_key(|&(k, _)| k.clone()) {