Method constructor

packages/dockview-core/src/__tests__/resizable.spec.ts:22–24

(cb: (entries: any[]) => void)

        originalResizeObserver = window.ResizeObserver;
        (window as any).ResizeObserver = class {
            constructor(cb: (entries: any[]) => void) {
                observerCallbacks.push(cb);
            }
            observe(): void {
                /* noop */
            }