{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"right_before:"}]}
                    right_before: (r_ty_refs != 0).then_some(r_span.shrink_to_lo()),
                    left_after: l_span.shrink_to_hi(),
                    right_after: r_span.shrink_to_hi(),