syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"lines.push(pos"}]}
source_snippet:             lines.push(pos + RelativeBytePos(1));
context_before:             let pos = RelativeBytePos::from_usize(i) + output_offset;
context_after:         } else if byte >= 128 {