{"ast_node_type":"variable","tokens":[{"end":97,"kind":"keyword","start":0,"text":"if"}]}
                if let token::NtIdent(ident, _) | token::NtLifetime(ident, _) = &mut token.kind {
                tscx.marker.mark_span(&mut token.span);
                    tscx.marker.mark_span(&mut ident.span);