import { Change } from './Change';
import { IChangeSet } from './IChangeSet';
import { ArrayOrIterable } from '../util/ArrayOrIterable';
import { ChangeReason } from './ChangeReason';
/**
 *  A collection of changes
 */
export declare class ChangeSet<TObject, TKey> extends Set<Change<TObject, TKey>> implements IChangeSet<TObject, TKey> {
    /**
     *  An empty change set
     */
    static empty<TObject, TKey>(): ChangeSet<TObject, TKey>;
    constructor(collection?: ArrayOrIterable<Change<TObject, TKey>>);
    forReason(reason: ChangeReason): number;
    get adds(): number;
    get updates(): number;
    get removes(): number;
    get refreshes(): number;
    get moves(): number;
    toString(): string;
}