Variable _UIEventDelegation`Const`

_UIEventDelegation: {
    attachTrackedListener: (
        element: HTMLElement,
        event: string,
        handler: EventListener,
        options?: boolean | AddEventListenerOptions,
    ) => string | null;
    cleanupAllListeners: () => number;
    attachAccordionEvents: (container: HTMLElement) => string | null;
} = ...