TranslatableSaver

export class MyService {  constructor(private translatableSaver: TranslatableSaver) {}  async create(ctx: RequestContext, input: CreateFacetInput): Promise<Translated<Facet>> {    const facet = await this.translatableSaver.create({      ctx,      input,      entityType: Facet,      translationType: FacetTranslation,      beforeSave: async f => {          f.code = await this.ensureUniqueCode(ctx, f.code);      },    });    return facet;  }  // ...}

class TranslatableSaver {    constructor(connection: TransactionalConnection)    create(options: CreateTranslatableOptions<T>) => Promise<T>;    update(options: UpdateTranslatableOptions<T>) => Promise<T>;}