import { HttpClient, HttpEvent } from '@angular/common/http';
import { Observable } from 'rxjs';
import { IMjmlServerResponse, IUserModule, IUserTemplate, IUserTemplateCategory } from '../../interfaces/interfaces';
import { IPEmail } from '../../classes/DefaultEmail';
/**
 * Add Google Fonts list to IPEmail object to include into template.
 * MJML Convertor will filter and remove fonts that aren't used.
 */
export interface IEmailAndGoogleFonts extends IPEmail {
    googleFonts: string[];
}
/**
 * The abstract service that must extend the user's custom REST API service.
 * Contains all required properties needed within project.
 *
 * Rewrite the default methods/properties to get the desired data.
 * We recommend using `shareReplay()` operator if it's just a simple static data.
 *
 * @example
 * // Create a custom service
 * class YourOwnRestApiService extends IpUserRestApiService {}
 *
 * // Rewrite it into AppModule
 * { provide: IpUserRestApiService, useClass: YourOwnRestApiService }
 */
export declare abstract class IpUserRestApiService {
    http: HttpClient;
    /**
     * Get all user merge fields to inject into text editor.
     */
    getAllUserMergeFields$: Observable<string[]>;
    /**
     * Get all Custom Modules to be included into Modules List.
     * We're looking for someone who could create many modules to be included by default, if you feel you can help us, please leave a message!
     */
    getAllUserModules$: Observable<IUserModule[]>;
    /**
     * Get all Predefined Templates and categories.
     * You can leave it to get all default templates from NGB API
     */
    getAllUserTemplates$: Observable<IUserTemplateCategory[]>;
    constructor(http: HttpClient);
    /**
     * This method must return the chosen template from Template Gallery List IPEmail object,
     * see {@link IpUserRestApiService#getAllUserTemplates$|getAllUserTemplates$}.
     *
     * Sometimes it can contain 'templateData' property - in this case, just return it.
     *
     * @param category Selected Category from Template Gallery.
     * @param template Selected Template from Template Gallery.
     *
     * @example
     * if (template.templateData) { return template }
     */
    getUserTemplateData$(category: string, template: IUserTemplate): Observable<IUserTemplate>;
    /**
     * Handle all uploaded images.
     * FormData 'csrf' is deprecated in favor of [HttpClientXsrfModule]{@link https://angular.io/api/common/http/HttpClientXsrfModule}.
     *
     * @param body A FormData that contains 'image' and 'csrf' data.
     * @param uploadImagePath Define a path where NGB have to send the upload request.
     */
    userImageUpload$(body: FormData, uploadImagePath: string): Observable<HttpEvent<{
        success: boolean;
        path: string;
        message?: string;
    }>>;
    /**
     * Get all images to include into Image Gallery.
     */
    getUserImages$(): Observable<string[]>;
    /**
     * Rewrite the default request which converts IPEmail to HTML, if you have a paid License,
     * this method allows you to rewrite the default Convertor API Path to yours.
     *
     * You can still use the default Convertor API Path, since you have a valid and active License Key.
     *
     * @param emailAndFonts IPEmail plus Google Fonts List object.
     * @param url Your own Convertor API Path, or leave it empty to use NGB servers.
     */
    createHTMLTemplate$(emailAndFonts: IEmailAndGoogleFonts, url?: string): Observable<IMjmlServerResponse>;
}