import { HttpRequest, HttpHandler, HttpEvent, HttpHeaders, HttpInterceptor } from '@angular/common/http';
import { Observable } from 'rxjs';
import { ApiHttpDefaultHeadersStruct } from '../../api-http-default-headers';
export declare class ApiDefaultHeadersInterceptor implements HttpInterceptor {
    defaultHeaders: HttpHeaders;
    constructor(apiHttpDefaultHeaders?: ApiHttpDefaultHeadersStruct);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    private reqWithDefaultHeaders;
}