{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"hir::OpaqueTyOrigin::TyAlias"}]}
        hir::OpaqueTyOrigin::TyAlias { parent, in_assoc_ty } => {
        }
            hir::OpaqueTyOrigin::TyAlias { parent: parent.to_def_id(), in_assoc_ty }