import { HttpClient } from '@angular/common/http';
import { AuthenticationService } from './authentication.service';
import { Observable } from 'rxjs';
import { PliCnfLetterTemplate } from 'ng-pli-util';
import * as i0 from "@angular/core";
export declare class PliCnfLetterTemplateService {
    private environment;
    private httpClient;
    private authService;
    private headerJson;
    constructor(environment: any, httpClient: HttpClient, authService: AuthenticationService);
    /** It returns the template letter by promCodigo */
    getListByPromCodigo(id: number): Observable<any>;
    getById(id: number): Observable<any>;
    /** It saves a letter-template */
    save(letterTemplate: PliCnfLetterTemplate): Observable<any>;
    /** It deletes a template by id */
    delete(id: number): Observable<any>;
    getConfigCloningLetterTemplate(oldPPP: number, newPPP: number): Observable<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<PliCnfLetterTemplateService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PliCnfLetterTemplateService>;
}