{"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"let"}]}
        let parent = self.parent_hir_id(hir_id);
    pub fn hir_body_owner(self, BodyId { hir_id }: BodyId) -> HirId {
        assert_eq!(self.hir_node(parent).body_id().unwrap().hir_id, hir_id, "{hir_id:?}");