import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { EasyI18nMessages } from 'easy-i18n-js';
import { EasyI18nLoader } from '@ngx-easy-i18n-js/core';
export interface IHttpEasyI18nLoaderOptions {
    /**
     * Url prefix, default '/assets/i18n/' or Array of prefix
     */
    prefix?: string | string[];
    /**
     * Url suffix, default '.json'
     */
    suffix?: string;
}
export declare class HttpEasyI18nLoader extends EasyI18nLoader {
    private httpClient;
    private options;
    constructor(httpClient: HttpClient, options?: IHttpEasyI18nLoaderOptions);
    /**
     * Return messages with locale with HttpClient `${this.options.prefix ?? ''}${locale}${this.options.suffix ?? ''}`
     * @param locale
     */
    getMessages(locale: string): Observable<EasyI18nMessages>;
}