import type { Universe } from '@ephox/boss';
import type { Optional } from '@ephox/katamari';
import { advance, backtrack, sidestep } from '../../gather/Walker';
import type { Direction, Successor, Transition, Traverse } from '../data/Types';
type BeforeApi = <E, D>(universe: Universe<E, D>, item: E, isRoot: (e: E) => boolean) => Optional<E>;
declare const before: BeforeApi;
type AfterApi = <E, D>(universe: Universe<E, D>, item: E, isRoot: (e: E) => boolean) => Optional<E>;
declare const after: AfterApi;
type SeekLeftApi = <E, D>(universe: Universe<E, D>, item: E, predicate: (e: E) => boolean, isRoot: (e: E) => boolean) => Optional<E>;
declare const seekLeft: SeekLeftApi;
type SeekRightApi = <E, D>(universe: Universe<E, D>, item: E, predicate: (e: E) => boolean, isRoot: (e: E) => boolean) => Optional<E>;
declare const seekRight: SeekRightApi;
type WalkersApi = () => {
    left: () => Direction;
    right: () => Direction;
};
declare const walkers: WalkersApi;
type WalkApi = <E, D>(universe: Universe<E, D>, item: E, mode: Transition, direction: Direction, rules?: Successor[]) => Optional<Traverse<E>>;
declare const walk: WalkApi;
export { before, after, seekLeft, seekRight, walkers, walk, backtrack, sidestep, advance };
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