import { ArrayWidget } from '../decorators/construct';
export interface ArrayListener<T> {
    sort(indices: number[]): any;
    splice(start: number, deleteCount: number, addedItems: T[], deletedItems: T[]): any;
}
export declare function removeFromArray(arr: any[], elements: any[]): any[];
export declare const range: (start: number, end: number) => number[];
export declare const observeArray: <T>(arr: T[], listener: ArrayListener<T>) => void;
export declare type Filter = (item: ArrayWidget, index: number) => boolean;
export declare type OnItemAdded = (item: ArrayWidget) => Element;
export declare function domArrayListener(arr: ArrayWidget[], el: Element, update: Function, onItemAdded: OnItemAdded, filter: Filter): ArrayListener<ArrayWidget>;