{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"ast::ItemKind::Fn(f)"}]}
            ast::ItemKind::Fn(f) => Some(&mut f.define_opaque),
        Annotatable::Item(p) => match &mut p.kind {
            ast::ItemKind::Const(ct) => Some(&mut ct.define_opaque),