diff --git a/.vs/DigitalData.Core/v17/.suo b/.vs/DigitalData.Core/v17/.suo
index c014131..32f1e7b 100644
Binary files a/.vs/DigitalData.Core/v17/.suo and b/.vs/DigitalData.Core/v17/.suo differ
diff --git a/DigitalData.Core.Application/ServiceMessage.cs b/DigitalData.Core.Application/ServiceMessage.cs
index 7e81d3a..8c776a0 100644
--- a/DigitalData.Core.Application/ServiceMessage.cs
+++ b/DigitalData.Core.Application/ServiceMessage.cs
@@ -67,48 +67,48 @@ namespace DigitalData.Core.Application
         /// success notifications, or other relevant information related to the operation's outcome.
         /// </summary>
         [Obsolete("Deprecated: Use ClientMessages instead.")]
-        public List<string> Messages { get; init; } = new();
+        public ICollection<string> Messages { get; init; } = new List<string>();
 
         /// <summary>
         /// Gets a collection of messages intended for client display. This replaces the deprecated 'Messages' property.
         /// </summary>
-        public List<string> ClientMessages { get; init; } = new();
+        public ICollection<string> ClientMessages { get; init; } = new List<string>();
 
         /// <summary>
         /// Gets a collection of messages used for tracing program execution at a fine-grained level. These are typically voluminous and detailed.
         /// </summary>
         [JsonIgnore]
-        public List<string> TraceMessages { get; init; } = new();
+        public ICollection<string> TraceMessages { get; init; } = new List<string>();
 
         /// <summary>
         /// Gets a collection of messages helpful for debugging during development. These messages are often diagnostic.
         /// </summary>
         [JsonIgnore]
-        public List<string> DebugMessages { get; init; } = new();
+        public ICollection<string> DebugMessages { get; init; } = new List<string>();
 
         /// <summary>
         /// Gets a collection of informational messages, less critical than warnings, generally used for non-critical notifications.
         /// </summary>
         [JsonIgnore]
-        public List<string> InformationMessages { get; init; } = new();
+        public ICollection<string> InformationMessages { get; init; } = new List<string>();
 
         /// <summary>
         /// Gets a collection of messages indicating potential issues that are not necessarily errors, but which may require attention.
         /// </summary>
         [JsonIgnore]
-        public List<string> WarningMessages { get; init; } = new();
+        public ICollection<string> WarningMessages { get; init; } = new List<string>();
 
         /// <summary>
         /// Gets a collection of error messages indicating failures or problems within the service.
         /// </summary>
         [JsonIgnore]
-        public List<string> ErrorMessages { get; init; } = new();
+        public ICollection<string> ErrorMessages { get; init; } = new List<string>();
 
         /// <summary>
         /// Gets a collection of messages indicating critical issues that require immediate attention.
         /// </summary>
         [JsonIgnore]
-        public List<string> CriticalMessages { get; init; } = new();
+        public ICollection<string> CriticalMessages { get; init; } = new List<string>();
 
         /// <summary>
         /// A function that translates a message key from a string to its localized or transformed representation.
diff --git a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.dll b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.dll
index bfb2eb9..087fab0 100644
Binary files a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.dll and b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.dll differ
diff --git a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.pdb b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.pdb
index 9a59d3c..03a9f76 100644
Binary files a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.pdb and b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Application.pdb differ
diff --git a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.dll b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.dll
index 66d53ba..a47e067 100644
Binary files a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.dll and b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.dll differ
diff --git a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb
index a3f0839..154946b 100644
Binary files a/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb and b/DigitalData.Core.Application/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb differ
diff --git a/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.csproj.AssemblyReference.cache b/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.csproj.AssemblyReference.cache
index f70ad4a..55cf191 100644
Binary files a/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.csproj.AssemblyReference.cache and b/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.csproj.AssemblyReference.cache differ
diff --git a/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.dll b/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.dll
index bfb2eb9..087fab0 100644
Binary files a/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.dll and b/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.dll differ
diff --git a/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.pdb b/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.pdb
index 9a59d3c..03a9f76 100644
Binary files a/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.pdb and b/DigitalData.Core.Application/obj/Debug/net7.0/DigitalData.Core.Application.pdb differ
diff --git a/DigitalData.Core.Application/obj/Debug/net7.0/ref/DigitalData.Core.Application.dll b/DigitalData.Core.Application/obj/Debug/net7.0/ref/DigitalData.Core.Application.dll
index 370967d..703d8f9 100644
Binary files a/DigitalData.Core.Application/obj/Debug/net7.0/ref/DigitalData.Core.Application.dll and b/DigitalData.Core.Application/obj/Debug/net7.0/ref/DigitalData.Core.Application.dll differ
diff --git a/DigitalData.Core.Application/obj/Debug/net7.0/refint/DigitalData.Core.Application.dll b/DigitalData.Core.Application/obj/Debug/net7.0/refint/DigitalData.Core.Application.dll
index 370967d..703d8f9 100644
Binary files a/DigitalData.Core.Application/obj/Debug/net7.0/refint/DigitalData.Core.Application.dll and b/DigitalData.Core.Application/obj/Debug/net7.0/refint/DigitalData.Core.Application.dll differ
diff --git a/DigitalData.Core.Contracts/Application/IServiceMessage.cs b/DigitalData.Core.Contracts/Application/IServiceMessage.cs
index b6bb7bd..3b8b67a 100644
--- a/DigitalData.Core.Contracts/Application/IServiceMessage.cs
+++ b/DigitalData.Core.Contracts/Application/IServiceMessage.cs
@@ -35,48 +35,48 @@ namespace DigitalData.Core.Contracts.Application
         /// success notifications, or other relevant information related to the operation's outcome.
         /// </summary>
         [Obsolete("Deprecated: Use ClientMessages instead.")]
-        List<string> Messages { get; init; }
+        ICollection<string> Messages { get; init; }
 
         /// <summary>
         /// Gets a collection of messages intended for client display. This replaces the deprecated 'Messages' property.
         /// </summary>
-        List<string> ClientMessages { get; init; }
+        ICollection<string> ClientMessages { get; init; }
 
         /// <summary>
         /// Gets a collection of messages used for tracing program execution at a fine-grained level. These are typically voluminous and detailed.
         /// </summary>
         [JsonIgnore]
-        List<string> TraceMessages { get; init; }
+        ICollection<string> TraceMessages { get; init; }
 
         /// <summary>
         /// Gets a collection of messages helpful for debugging during development. These messages are often diagnostic.
         /// </summary>
         [JsonIgnore]
-        List<string> DebugMessages { get; init; }
+        ICollection<string> DebugMessages { get; init; }
 
         /// <summary>
         /// Gets a collection of informational messages, less critical than warnings, generally used for non-critical notifications.
         /// </summary>
         [JsonIgnore]
-        List<string> InformationMessages { get; init; }
+        ICollection<string> InformationMessages { get; init; }
 
         /// <summary>
         /// Gets a collection of messages indicating potential issues that are not necessarily errors, but which may require attention.
         /// </summary>
         [JsonIgnore]
-        List<string> WarningMessages { get; init; }
+        ICollection<string> WarningMessages { get; init; }
 
         /// <summary>
         /// Gets a collection of error messages indicating failures or problems within the service.
         /// </summary>
         [JsonIgnore]
-        List<string> ErrorMessages { get; init; }
+        ICollection<string> ErrorMessages { get; init; }
 
         /// <summary>
         /// Gets a collection of messages indicating critical issues that require immediate attention.
         /// </summary>
         [JsonIgnore]
-        List<string> CriticalMessages { get; init; }
+        ICollection<string> CriticalMessages { get; init; }
 
         /// <summary>
         /// A function that translates a message key from a string to its localized or transformed representation.
diff --git a/DigitalData.Core.Contracts/bin/Debug/net7.0/DigitalData.Core.Contracts.dll b/DigitalData.Core.Contracts/bin/Debug/net7.0/DigitalData.Core.Contracts.dll
index 66d53ba..a47e067 100644
Binary files a/DigitalData.Core.Contracts/bin/Debug/net7.0/DigitalData.Core.Contracts.dll and b/DigitalData.Core.Contracts/bin/Debug/net7.0/DigitalData.Core.Contracts.dll differ
diff --git a/DigitalData.Core.Contracts/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb b/DigitalData.Core.Contracts/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb
index a3f0839..154946b 100644
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diff --git a/DigitalData.Core.Contracts/obj/Debug/net7.0/DigitalData.Core.Contracts.dll b/DigitalData.Core.Contracts/obj/Debug/net7.0/DigitalData.Core.Contracts.dll
index 66d53ba..a47e067 100644
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diff --git a/DigitalData.Core.Contracts/obj/Debug/net7.0/DigitalData.Core.Contracts.pdb b/DigitalData.Core.Contracts/obj/Debug/net7.0/DigitalData.Core.Contracts.pdb
index a3f0839..154946b 100644
Binary files a/DigitalData.Core.Contracts/obj/Debug/net7.0/DigitalData.Core.Contracts.pdb and b/DigitalData.Core.Contracts/obj/Debug/net7.0/DigitalData.Core.Contracts.pdb differ
diff --git a/DigitalData.Core.Contracts/obj/Debug/net7.0/ref/DigitalData.Core.Contracts.dll b/DigitalData.Core.Contracts/obj/Debug/net7.0/ref/DigitalData.Core.Contracts.dll
index 7013b5f..51d641f 100644
Binary files a/DigitalData.Core.Contracts/obj/Debug/net7.0/ref/DigitalData.Core.Contracts.dll and b/DigitalData.Core.Contracts/obj/Debug/net7.0/ref/DigitalData.Core.Contracts.dll differ
diff --git a/DigitalData.Core.Contracts/obj/Debug/net7.0/refint/DigitalData.Core.Contracts.dll b/DigitalData.Core.Contracts/obj/Debug/net7.0/refint/DigitalData.Core.Contracts.dll
index 7013b5f..51d641f 100644
Binary files a/DigitalData.Core.Contracts/obj/Debug/net7.0/refint/DigitalData.Core.Contracts.dll and b/DigitalData.Core.Contracts/obj/Debug/net7.0/refint/DigitalData.Core.Contracts.dll differ
diff --git a/DigitalData.Core.CultureServices/bin/Debug/net7.0/DigitalData.Core.Contracts.dll b/DigitalData.Core.CultureServices/bin/Debug/net7.0/DigitalData.Core.Contracts.dll
index 66d53ba..a47e067 100644
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diff --git a/DigitalData.Core.CultureServices/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb b/DigitalData.Core.CultureServices/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb
index a3f0839..154946b 100644
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diff --git a/DigitalData.Core.CultureServices/bin/Debug/net7.0/DigitalData.Core.CultureServices.dll b/DigitalData.Core.CultureServices/bin/Debug/net7.0/DigitalData.Core.CultureServices.dll
index 65db2cd..35dfbfb 100644
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index 9b1702c..8830a65 100644
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index 9b74f89..8ee8542 100644
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diff --git a/DigitalData.Core.CultureServices/obj/Debug/net7.0/DigitalData.Core.CultureServices.dll b/DigitalData.Core.CultureServices/obj/Debug/net7.0/DigitalData.Core.CultureServices.dll
index 65db2cd..35dfbfb 100644
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diff --git a/DigitalData.Core.CultureServices/obj/Debug/net7.0/DigitalData.Core.CultureServices.pdb b/DigitalData.Core.CultureServices/obj/Debug/net7.0/DigitalData.Core.CultureServices.pdb
index 9b1702c..8830a65 100644
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diff --git a/DigitalData.Core.Infrastructure/bin/Debug/net7.0/DigitalData.Core.Contracts.dll b/DigitalData.Core.Infrastructure/bin/Debug/net7.0/DigitalData.Core.Contracts.dll
index 66d53ba..a47e067 100644
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diff --git a/DigitalData.Core.Infrastructure/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb b/DigitalData.Core.Infrastructure/bin/Debug/net7.0/DigitalData.Core.Contracts.pdb
index a3f0839..154946b 100644
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diff --git a/DigitalData.Core.Infrastructure/bin/Debug/net7.0/DigitalData.Core.Infrastructure.dll b/DigitalData.Core.Infrastructure/bin/Debug/net7.0/DigitalData.Core.Infrastructure.dll
index 5ad1d06..7a3bc69 100644
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index bc5c9a4..a3eee48 100644
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index 879937b..a38d578 100644
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index 5ad1d06..7a3bc69 100644
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index bc5c9a4..a3eee48 100644
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