import { TransferState } from '@angular/platform-browser';
import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from "@angular/common/http";
import { Observable } from "rxjs";
import * as i0 from "@angular/core";
export declare class BrowserStateInterceptor implements HttpInterceptor {
    private transferState;
    constructor(transferState: TransferState);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<BrowserStateInterceptor, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<BrowserStateInterceptor>;
}