@open-wc/testing-helpers oneEvent TS errors after upgrade to 4.0.0 about open-wc HOT 3 OPEN

/**
 * Registers a new element with an automatically generated unique name.
 * Helps to make a test fully isolated.
 *
 * @example
 * const tag = defineCE(class extends MyMixin(HTMLElement) {
 *   // define custom element class body
 * });
 * const el = fixture(`<${tag}></${tag}>`);
 * // test el
 *
 * @template {HTMLElement} T
 * @param {import("@open-wc/dedupe-mixin").Constructor<T>} klass Class which extends HTMLElement
 * @returns {string} Tag name of the registered element
 */
export function oneEvent<TEvent extends Event = CustomEvent<any>>(eventTarget: EventTarget, eventName: string, preventDefault: boolean): Promise<TEvent>;