syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if !next_source.is_empty() && (accept_newlines || !next_source.contains('\n')) {
context_before:             let next_source = next_source.split(c).next().unwrap_or("");
context_after:                 return sp.with_hi(BytePos(sp.hi().0 + next_source.len() as u32));