import { Observable } from 'rxjs/Observable';
import { Observer } from 'rxjs/Observer';
import { ReplaySubject } from 'rxjs/ReplaySubject';
import { IScheduler } from 'rxjs/Scheduler';
import { Subject } from 'rxjs/Subject';
import { Subscription } from 'rxjs/Subscription';
import { Consumer } from './../consumers/consumer';
import { Generator } from './../generators/generator';
import { AnyJson } from './../json/json.utils';
/**
 * Binds to the next function of a subject
 *
 * @param aSubject  the subject that handles the events
 *
 * @return the binding function
 */
declare function _createConsumer<T>(aSubject: Subject<T> | Observer<T>): Consumer<T>;
/**
 * Constructs a setter description
 *
 * @param aSubject  the subject that handles the setter events
 * @return the description of the setter
 */
declare function _createSetter<T>(aSubject: Subject<T>): PropertyDescriptor;
/**
 * Constructs a getter description
 *
 * @param aObservable  the observable that handles the getter events
 * @param aInitial a potential initial value
 * @return the description of the getter
 */
declare function _createGetter<T>(aObservable: Observable<T>, aInitial?: T): PropertyDescriptor;
declare const idleFrameScheduler: IScheduler;
declare function _thisThenThat<T>(aFirst: Observable<T>, aNext: Observable<T>): Observable<T>;
declare function _thisThenThats<T>(...aObservables: Observable<T>[]): Observable<T>;
/**
 * Constructs a singe replay subject
 *
 * @return the subject
 */
declare function _createSingleSubject<T>(): ReplaySubject<T>;
declare function _generateItem<T>(aGenerator: Generator<T>): Observable<T>;
export declare const EMPTY_STRING_OBSERVABLE: Observable<string>;
export declare const EMPTY_JSON_OBSERVABLE: Observable<AnyJson>;
declare function _safeUnsubscribe(aSubscription: Subscription | null | undefined): void;
declare function _safeUnsubscribeAll(aSubscriptions: Subscription[] | null | undefined): void;
export { _thisThenThat as thisThenThat, _thisThenThats as thisThenThats, _createSingleSubject as createSingleSubject, _createSetter as createSetterOnSubject, _createConsumer as createConsumerOnSubject, _createGetter as createGetterOnObservable, _generateItem as generateItem, _safeUnsubscribe as safeUnsubscribe, _safeUnsubscribeAll as safeUnsubscribeAll, idleFrameScheduler };