import type { Universe } from '@ephox/boss';
import { type Optional } from '@ephox/katamari';
import { type WordDecisionItem } from './WordDecision';
interface Edges<E> {
    readonly left: WordDecisionItem<E>;
    readonly isEmpty: boolean;
    readonly right: WordDecisionItem<E>;
}
declare const byBoundary: <E, D>(universe: Universe<E, D>, item: E) => Edges<E>;
declare const getEdges: <E, D>(universe: Universe<E, D>, start: E, finish: E, isCustomBoundary: (universe: Universe<E, D>, item: E) => boolean) => Edges<E>;
interface Grouping<E> {
    readonly all: WordDecisionItem<E>[];
    readonly middle: WordDecisionItem<E>[];
    readonly left: WordDecisionItem<E>[];
    readonly right: WordDecisionItem<E>[];
    readonly lang: Optional<string>;
}
declare const byLanguage: <E, D>(universe: Universe<E, D>, item: E) => Grouping<E>;
export { byBoundary, getEdges, byLanguage };
//# sourceMappingURL=Clustering.d.ts.map