/// <summary>Adds or updates a client record.</summary>
/// <param name="client">The client.</param>
public static void AddOrUpdate(Guid clientUid, string fhirServerUrl)
{
_instance._uidClientDict[clientUid] = ClientInformation.Create(clientUid, fhirServerUrl);
Console.WriteLine($"Added client >>>{clientUid}<<< total: {_instance._uidClientDict.Count}");
}