class ZoneService {
  constructor(connection: TransactionalConnection, configService: ConfigService, eventBus: EventBus, translator: TranslatorService)
  async findAll(ctx: RequestContext) => Promise<Zone[]>;
  findOne(ctx: RequestContext, zoneId: ID) => Promise<Zone | undefined>;
  async create(ctx: RequestContext, input: CreateZoneInput) => Promise<Zone>;
  async update(ctx: RequestContext, input: UpdateZoneInput) => Promise<Zone>;
  async delete(ctx: RequestContext, id: ID) => Promise<DeletionResponse>;
  async addMembersToZone(ctx: RequestContext, { memberIds, zoneId }: MutationAddMembersToZoneArgs) => Promise<Zone>;
  async removeMembersFromZone(ctx: RequestContext, { memberIds, zoneId }: MutationRemoveMembersFromZoneArgs) => Promise<Zone>;
}