import { Observable, OperatorFunction } from 'rxjs';
import { IChangeSet } from '../IChangeSet';
/**
 * Produces a boolean observable indicating whether the latest resulting value from all of the specified observables matches
 * the equality condition. The observable is re-evaluated whenever
 * i) The cache changes
 * or ii) The inner observable changes
 * @typeparam TObject The type of the object.
 * @typeparam TKey The type of the key.
 * @typeparam TValue The type of the value.
 * @param observableSelector Selector which returns the target observable
 * @param equalityCondition The equality condition.
 */
export declare function trueForAll<TObject, TKey, TValue>(observableSelector: (value: TObject) => Observable<TValue>, equalityCondition: (value: TObject, item: TValue) => boolean): OperatorFunction<IChangeSet<TObject, TKey>, boolean>;