diff --git a/src/Aspire.Hosting/ApplicationModel/EndpointAnnotation.cs b/src/Aspire.Hosting/ApplicationModel/EndpointAnnotation.cs
index 179f0e6e3e0..058acf53458 100644
--- a/src/Aspire.Hosting/ApplicationModel/EndpointAnnotation.cs
+++ b/src/Aspire.Hosting/ApplicationModel/EndpointAnnotation.cs
@@ -288,7 +288,7 @@ public bool TryAdd(NetworkIdentifier networkID, ValueSnapshot<AllocatedEndpoint>
     }
 
     /// <summary>
-    /// Adds and AllocatedEndpoint value associated with a specific network to the snapshot list.
+    /// Adds or updates an AllocatedEndpoint value associated with a specific network to the snapshot list.
     /// </summary>
     public void AddOrUpdateAllocatedEndpoint(NetworkIdentifier networkID, AllocatedEndpoint endpoint)
     {
diff --git a/src/Aspire.Hosting/api/Aspire.Hosting.cs b/src/Aspire.Hosting/api/Aspire.Hosting.cs
index e5b71318cee..fbca093d5cc 100644
--- a/src/Aspire.Hosting/api/Aspire.Hosting.cs
+++ b/src/Aspire.Hosting/api/Aspire.Hosting.cs
@@ -2604,10 +2604,15 @@ public partial record NetworkEndpointSnapshot(ValueSnapshot<AllocatedEndpoint> S
 
     public partial class NetworkEndpointSnapshotList : System.Collections.Generic.IEnumerable<NetworkEndpointSnapshot>, System.Collections.IEnumerable
     {
+        public void AddOrUpdateAllocatedEndpoint(NetworkIdentifier networkID, AllocatedEndpoint endpoint) { }
+
+        public System.Threading.Tasks.Task<AllocatedEndpoint> GetAllocatedEndpointAsync(NetworkIdentifier networkID, System.Threading.CancellationToken cancellationToken = default) { throw null; }
+
         public System.Collections.Generic.IEnumerator<NetworkEndpointSnapshot> GetEnumerator() { throw null; }
 
         System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { throw null; }
 
+        [System.Obsolete("This method is for internal use only and will be marked internal in a future Aspire release. Use AddOrUpdateAllocatedEndpoint instead.")]
         public bool TryAdd(NetworkIdentifier networkID, ValueSnapshot<AllocatedEndpoint> snapshot) { throw null; }
     }