import { ArrayLike } from 'zrender/lib/core/types';
declare type DiffKeyGetter<CTX = unknown> = (this: DataDiffer<CTX>, value: unknown, index: number) => string;
declare type DiffCallbackAdd = (newIndex: number) => void;
declare type DiffCallbackUpdate = (newIndex: number, oldIndex: number) => void;
declare type DiffCallbackRemove = (oldIndex: number) => void;
declare type DiffCallbackUpdateManyToOne = (newIndex: number, oldIndex: number[]) => void;
declare type DiffCallbackUpdateOneToMany = (newIndex: number[], oldIndex: number) => void;
export declare type DataDiffMode = 'oneToOne' | 'multiple';
declare class DataDiffer<CTX = unknown> {
    private _old;
    private _new;
    private _oldKeyGetter;
    private _newKeyGetter;
    private _add;
    private _update;
    private _updateManyToOne;
    private _updateOneToMany;
    private _remove;
    private _diffModeMultiple;
    readonly context: CTX;
    constructor(oldArr: ArrayLike<unknown>, newArr: ArrayLike<unknown>, oldKeyGetter?: DiffKeyGetter<CTX>, newKeyGetter?: DiffKeyGetter<CTX>, context?: CTX, diffMode?: DataDiffMode);
    add(func: DiffCallbackAdd): this;
    update(func: DiffCallbackUpdate): this;
    updateManyToOne(func: DiffCallbackUpdateManyToOne): this;
    updateOneToMany(func: DiffCallbackUpdateOneToMany): this;
    remove(func: DiffCallbackRemove): this;
    execute(): void;
    private _executeOneToOne;
    private _executeMultiple;
    private _performRestAdd;
    private _initIndexMap;
}
export default DataDiffer;