{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"[tt::TokenTree::Leaf(tt::Leaf::Ident(i)),"}]}
                [tt::TokenTree::Leaf(tt::Leaf::Ident(i)), ..] => match &i.sym {
            {
                    s if *s == sym::transparent => Some(Transparency::Transparent),