import { InjectionToken } from "@angular/core";
import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from "@angular/common/http";
import { Observable } from "rxjs";
import { CsrfService } from "./tokens/csrf.service";
import { HttpErrorHandlerService } from "./error-handlers/http-error-handler.service";
import { TokenService } from "./tokens/token.service";
export declare class AuthInterceptor implements HttpInterceptor {
    private csrfService;
    private httpErrorHandlerService;
    private tokenService;
    constructor(csrfService: CsrfService, httpErrorHandlerService: HttpErrorHandlerService, tokenService: TokenService);
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    private buildRequestOptions;
    private handleError;
}
export declare const AuthInterceptorProvider: {
    provide: InjectionToken<HttpInterceptor[]>;
    useClass: typeof AuthInterceptor;
    multi: boolean;
};