import { IKeyValueCollection } from './IKeyValueCollection';
import { SortOptimizations } from './SortOptimizations';
import { KeyValueComparer } from './Comparer';
import { SortReason } from './ISortedChangeSet';
export declare class KeyValueCollection<TObject, TKey> implements IKeyValueCollection<TObject, TKey> {
    private readonly _items;
    constructor();
    constructor(items: ReadonlyArray<[TKey, TObject]>, comparer: KeyValueComparer<TObject, TKey>, sortReason: SortReason, optimizations: SortOptimizations);
    /**
     * Gets the comparer used to peform the sort
     */
    readonly comparer: KeyValueComparer<TObject, TKey>;
    readonly size: number;
    sortReason: SortReason;
    readonly optimizations: SortOptimizations;
    [Symbol.iterator](): IterableIterator<[TKey, TObject]>;
    entries(): IterableIterator<[number, [TKey, TObject]]>;
    keys(): IterableIterator<number>;
    values(): IterableIterator<[TKey, TObject]>;
}