import { Observable, OperatorFunction } from 'rxjs';
import { ArrayOrIterable } from '../../util/ArrayOrIterable';
import { IChangeSet } from '../IChangeSet';
export declare function trueFor<TObject, TKey, TValue>(observableSelector: (value: TObject) => Observable<TValue>, collectionMatcher: (data: ArrayOrIterable<ObservableWithValue<TObject, TValue>>) => boolean): OperatorFunction<IChangeSet<TObject, TKey>, boolean>;
declare class ObservableWithValue<TObject, TValue> {
    private _latestValue?;
    constructor(item: TObject, source: Observable<TValue>);
    readonly item: TObject;
    get latestValue(): TValue | undefined;
    readonly observable: Observable<TValue>;
}
export {};