syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"MacroKind::Attr"}]}
source_snippet:                 MacroKind::Attr => format!("#[{name}]"),
context_before:                 MacroKind::Bang => format!("{name}!"),
context_after:                 MacroKind::Derive => format!("#[derive({name})]"),