interface AnyPromiseWithResolvers<T, Instance> {
  promise: Instance;
  resolve: (value: T | PromiseLike<T>) => void;
  reject: (reason?: any) => void;
}

type AnyPromiseConstructor<T> = new (
  executor: (
    resolve: PromiseWithResolvers<T>["resolve"],
    reject: PromiseWithResolvers<T>["reject"],
  ) => void,
) => Promise<T>;

interface PromiseConstructor {
  /**
   * Creates a new Promise and returns it in an object, along with its resolve and reject functions.
   * @returns An object with the properties `promise`, `resolve`, and `reject`.
   *
   * ```ts
   * const { promise, resolve, reject } = Promise.withResolvers<T>();
   * ```
   */
  withResolvers<T, K extends AnyPromiseConstructor<T>>(
    this: K,
  ): AnyPromiseWithResolvers<T, InstanceType<K>>;
}