{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
                    // interner of appropriate type. (Ideally we'd also check that `x` is a
                    // If `x` is a newtype around an `Interned<T>`, then `interner` is an
                    // newtype with just that one field. Not sure how to do that.)