/// <summary>Root location for organization.</summary>
        /// <param name="org">The organization.</param>
        /// <returns>A Location.</returns>
        public static Location RootLocationForOrg(
            Organization org)
        {
            if (org == null)
            {
                throw new ArgumentNullException(nameof(org));
            }

            if ((org.Address == null) || (org.Address.Count == 0))
            {
#pragma warning disable CA1303 // Do not pass literals as localized parameters
                throw new ArgumentException("Organization Address is required!");
#pragma warning restore CA1303 // Do not pass literals as localized parameters
            }

            Location.PositionComponent position = null;

            if (HospitalManager.IsHospitalKnown(org.Id))
            {
                position = HospitalManager.PositionForHospital(org.Id);
            }
            else if (GeoManager.IsPostalCodeKnown(org.Address[0].PostalCode))
            {
                position = GeoManager.PositionForPostalCode(org.Address[0].PostalCode);
            }

            return(new Location()
            {
                Meta = new Hl7.Fhir.Model.Meta()
                {
                    Security = FhirTriplet.SecurityTest.GetCodingList(),
                },
                Id = IdForOrgRootLocation(org.Id),
                Address = org.Address[0],
                Status = GetLocationStatus(AvailabilityStatusActive),
                Mode = Location.LocationMode.Instance,
                PhysicalType = FhirTriplet.PhysicalTypeSite.GetConcept(),
                Position = position,
                ManagingOrganization = new ResourceReference($"{org.ResourceType}/{org.Id}"),
                Type = FhirGenerator.ConceptListForServiceLocationType(),
                Name = $"{org.Name} Building",
            });
        }