/**
 * Data structure tracking popup trigger elements by ID.
 *
 * Ported 1:1 from Base UI React's `packages/react/src/utils/popups/popupTriggerMap.ts`.
 * Used by `FloatingRootStore` and the click-outside / safe-polygon logic to
 * decide whether a given target is "inside" one of the registered triggers.
 */
export declare class PopupTriggerMap {
    private elementsSet;
    private idMap;
    constructor();
    add(id: string, element: Element): void;
    delete(id: string): void;
    hasElement(element: Element): boolean;
    hasMatchingElement(predicate: (el: Element) => boolean): boolean;
    getById(id: string): Element | undefined;
    entries(): IterableIterator<[string, Element]>;
    elements(): IterableIterator<Element>;
    get size(): number;
}
//# sourceMappingURL=popup-trigger-map.d.ts.map