import { NgZone } from '@angular/core';
export declare class PlatformService {
    private platformId;
    private _ngZone;
    isPlatformServer: boolean;
    isPlatformBrowser: boolean;
    isPlatformCordova: boolean;
    constructor(platformId: string, _ngZone: NgZone);
    runOnClient(code: () => void): void;
    runOnCordova(code: () => void): void;
    runOnServer(code: () => void): void;
    runExternal(code: () => void): void;
}