import { IMongooseEntityService } from 'purple-cheetah';
import { Language } from './models/language.model';
export declare class LanguageService implements IMongooseEntityService<Language> {
    private repo;
    findAll: () => Promise<Language[]>;
    findAllById: (ids: string[]) => Promise<Language[]>;
    findById: (id: string) => Promise<Language>;
    add: (e: Language) => Promise<boolean>;
    update: (e: Language) => Promise<boolean>;
    deleteById: (id: string) => Promise<boolean>;
    deleteAllById: (ids: string[]) => Promise<number | boolean>;
    findByCode(code: string): Promise<Language | null>;
}