export declare type IDiffItemAction = 'add' | 'a' | 'remove' | 'r';
export declare type IDiffItem = [IDiffItemAction, number, string?];
export interface IDiff {
    items: Array<IDiffItemAction | number | string>;
}
export interface IInit {
    method?: (value: any) => string;
}
export interface IItemize {
    method?: (value: string) => Array<string>;
}
export interface IEqual {
    method: (value: string, value1: string) => boolean;
}
export interface IJoin {
    method?: (value: Array<string>) => string;
}
export declare type IDiffMatrixItem = [number?, number?, number?];
export interface IOutput {
    compressed?: boolean;
}
export interface IOptions {
    init?: IInit;
    itemize?: IItemize;
    equal?: IEqual;
    join?: IJoin;
    output?: IOutput;
}
export declare type TDiffVariants = 'default' | 'word' | 'line' | 'sentence' | 'json';
export declare type IOPTIONS = {
    [p in TDiffVariants]?: IOptions;
};
export declare const optionsDefault: IOptions;
declare class AmauiDiff {
    options: IOptions;
    static get amauidiff(): AmauiDiff;
    static get word(): AmauiDiff;
    static get line(): AmauiDiff;
    static get sentence(): AmauiDiff;
    static get json(): AmauiDiff;
    static get OPTIONS(): IOPTIONS;
    static updateGroups(diff: IDiff): any[];
    constructor(options?: IOptions);
    diff(value_: any, value1_: any, options_?: IOptions): IDiff;
    update(value__: any, diff: IDiff, options_?: IOptions): string;
    private action;
}
export default AmauiDiff;