syntax_data: {"ast_node_type":"other","tokens":[{"end":14,"kind":"keyword","start":0,"text":"};"}]}
source_snippet:             };
context_before:                 return (line, col_or_chpos, col_or_chpos.0);
context_after:             let display_col = code.chars().take(col_or_chpos.0).map(|ch| char_width(ch)).sum();