{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"end:"}]}
                        end: full_lit_span.with_lo(full_lit_span.hi() - BytePos(1)),
                            .with_hi(full_lit_span.lo() + BytePos((prefix.len() + 1) as u32)),
                        is_byte: mode == Mode::Byte,