syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"data.lo"}]}
source_snippet:             data.lo == BytePos(0) && data.hi == BytePos(0)
context_before:             let data = with_span_interner(|interner| interner.spans[index as usize]);
context_after:         }