{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"self.tcx.opaque_ty_origin(opaque.def_id)"}]}
                self.tcx.opaque_ty_origin(opaque.def_id)
            && let hir::OpaqueTyOrigin::FnReturn { parent, in_trait_or_impl: None } =
        {