syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"return"}]}
source_snippet:                     return Some(sp.with_lo(BytePos(sp.lo().0 - len as u32)));
context_before:                 if accept_newlines || !prev_source.trim_start().contains('\n') {
context_after:                 }