syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"lines.extend(raw_diffs.into_iter().map(|&diff|"}]}
source_snippet:                 lines.extend(raw_diffs.into_iter().map(|&diff| {
context_before:             1 => {
context_after:                     line_start = line_start + RelativeBytePos(diff as u32);