{"ast_node_type":"function","tokens":[{"end":62,"kind":"keyword","start":0,"text":"fn"}]}
    fn to_stable_hash_key(&self, hcx: &HCX) -> Self::KeyType {
    #[inline]
        (self.0.to_stable_hash_key(hcx), self.1.to_stable_hash_key(hcx))