import { HttpEvent, HttpHandler, HttpInterceptor, HttpParameterCodec, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class EncodeUrlParamsSafelyInterceptor implements HttpInterceptor, HttpParameterCodec {
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
    encodeKey(key: string): string;
    encodeValue(value: string): string;
    decodeKey(key: string): string;
    decodeValue(value: string): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<EncodeUrlParamsSafelyInterceptor, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<EncodeUrlParamsSafelyInterceptor>;
}