import { NgZone } from '@angular/core';
import { LoadingBarState } from './loading-bar.state';
import { Observable, OperatorFunction } from 'rxjs';
import { LoadingBarConfig } from './loading-bar.config';
export declare class LoadingBarService {
    private platformId;
    private config;
    private zone?;
    private refs;
    private streams$;
    readonly value$: Observable<number>;
    /** @deprecated use `value$` instead. */
    get progress$(): Observable<number>;
    constructor(platformId: Object, config?: LoadingBarConfig, zone?: NgZone);
    /** @deprecated use `useRef` instead. */
    start(initialValue?: number): void;
    /** @deprecated use `useRef` instead. */
    set(value: number): void;
    /** @deprecated use `useRef` instead. */
    increment(value?: number): void;
    /** @deprecated use `useRef` instead. */
    complete(): void;
    /** @deprecated use `useRef` instead. */
    stop(): void;
    useRef(id?: string): LoadingBarState;
}
export declare function runInZone<T>(zone: NgZone): OperatorFunction<T, T>;