{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"..tcx.layout_of(typing_env.as_query_input(unit_ptr_ty)).unwrap()"}]}
                            ..tcx.layout_of(typing_env.as_query_input(unit_ptr_ty)).unwrap()
                            ty: this.ty,
                        });