import type { Universe } from '@ephox/boss';
import { Optional } from '@ephox/katamari';
export type Looker<E, D> = (universe: Universe<E, D>, elem: E) => Optional<E>;
/**
 * Check if look returns the same element for all elements, and return it if it exists.
 */
declare const oneAll: <E, D>(universe: Universe<E, D>, look: Looker<E, D>, elements: E[]) => Optional<E>;
export { oneAll };
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