Values.ServiceAlreadyExistsSourceThe service can't be created because a service with the same name already exists.
type nonrec t = {message : ErrorMessage.t option;creatorRequestId : ResourceId.t option;The CreatorRequestId that was used to create the service.
*)serviceId : ResourceId.t option;The ID of the existing service.
*)serviceArn : Arn.t option;The ARN of the existing service.
*)}