syntax_data: {"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:                 let spacing = if sm.is_multiline(prev.span.between(last.span)) {
context_before:                 };
context_after:                     sm.indentation_before(last.span).map(|indent| format!("\n{indent}"))