syntax_data: {"ast_node_type":"other","tokens":[{"end":21,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if line > 0 {
context_before:         let (line, col_or_chpos) = self.lookup_file_pos(pos);
context_after:             let Some(code) = self.get_line(line - 1) else {