{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"//"}]}
        // Enums prefer niches close to the beginning or the end of the variants so that other
        let layout = self.univariant_biased(fields, repr, kind, NicheBias::Start);
        // (smaller) data-carrying variants can be packed into the space after/before the niche.