import { getOwnEnumerableProperties } from "https://dotland.deno.dev/x/chai@v5.1.2/lib/chai/utils/getOwnEnumerableProperties.js";
.getOwnEnumerableProperties(object)
This allows the retrieval of directly-owned enumerable property names and symbols of an object. This function is necessary because Object.keys only returns enumerable property names, not enumerable property symbols.