import type { Universe } from '@ephox/boss';
import { Optional } from '@ephox/katamari';
interface SubsetAncestors<E> {
    readonly firstpath: E[];
    readonly secondpath: E[];
    readonly shared: Optional<E>;
}
declare const ancestors: <E, D>(universe: Universe<E, D>, start: E, end: E, isRoot?: (x: E) => boolean) => SubsetAncestors<E>;
/**
 * Find the common element in the parents of start and end.
 *
 * Then return all children of the common element such that start and end are included.
 */
declare const subset: <E, D>(universe: Universe<E, D>, start: E, end: E) => Optional<E[]>;
export { subset, ancestors };
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