ethers.js/packages/properties/src.ts/index.ts

//export { deepCopy, markImmutable, unmarkImmutable } from "./copy.js";
export { EventPayload } from "./events.js";
export { defineProperties, resolveProperties} from "./properties.js";
//export { Signal } from "./signal.js"
export { getStore, setStore } from "./storage.js";

export type { EventEmitterable, Listener } from "./events.js";
export type { Frozen, Freezable } from "./freezable.js";