import { HttpInterceptor, HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs';
import { LoupeService } from './loupe-angular.service';
import * as i0 from "@angular/core";
export declare class LoupeHeaderHttpConfigInterceptor implements HttpInterceptor {
    readonly loupeService: LoupeService;
    private readonly loupeAgentSessionIdHeader;
    private readonly loupeSessionIdHeader;
    constructor(loupeService: LoupeService);
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoupeHeaderHttpConfigInterceptor, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoupeHeaderHttpConfigInterceptor>;
}