{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"lint.help(format!("}]}
                        lint.help(format!(
                        lint.span_label(expr.span, "for this argument");
                            "use `{{{idx}:{suggested_modifier}}}` to have the register formatted as `{suggested_result}` (for {suggested_size}-bit values)",