import { HttpEvent, HttpHandler, HttpInterceptor, HttpParameterCodec, HttpRequest } from '@angular/common/http';
import { InjectionToken, ModuleWithProviders } from '@angular/core';
import { Observable } from 'rxjs';
export declare const HTTP_PARAM_CODEC: InjectionToken<HttpParameterCodec>;
export declare class HttpParamsEncodingInterceptor implements HttpInterceptor {
    readonly codec: HttpParameterCodec;
    constructor(codec: HttpParameterCodec);
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}
export interface HttpParamsEncodingModuleConfig {
    encoder: HttpParameterCodec;
}
export declare class HttpParamsEncodingModule {
    static forRoot(config: HttpParamsEncodingModuleConfig): ModuleWithProviders<HttpParamsEncodingModule>;
}