syntax_data: {"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":"Ok(last_line"}]}
source_snippet:             Ok(last_line
context_before:             let last_line = before.rsplit_once('\n').map_or(before, |(_, last)| last);
context_after:                 .split_once(|c: char| !c.is_whitespace())