{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":".layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(rust_type))"}]}
                .layout_of(ty::TypingEnv::fully_monomorphized().as_query_input(rust_type))
            let layout = tcx
                .unwrap();