Fix debugger proxies

src/Polly.Core/ResilienceStrategy.TResult.Async.cs

@@ -10,7 +10,6 @@ namespace Polly;
 /// Resilience strategy supports various types of callbacks of <typeparamref name="TResult"/> result type
 /// and provides a unified way to execute them. This includes overloads for synchronous and asynchronous callbacks.
 /// </remarks>
-[DebuggerTypeProxy(typeof(ResilienceStrategy<>.DebuggerProxy))]
 public partial class ResilienceStrategy<TResult>
 {
     internal ResilienceStrategy(ResilienceStrategy strategy) => Strategy = strategy;

src/Polly.Core/ResilienceStrategy.cs

@@ -9,7 +9,6 @@ namespace Polly;
 /// Resilience strategy supports various types of callbacks and provides a unified way to execute them.
 /// This includes overloads for synchronous and asynchronous callbacks, generic and non-generic callbacks.
 /// </remarks>
-[DebuggerTypeProxy(typeof(DebuggerProxy))]
 public abstract partial class ResilienceStrategy
 {
     /// <summary>

src/Polly.Core/Utils/ResilienceStrategyPipeline.DebuggerProxy.cs

@@ -0,0 +1,14 @@
+namespace Polly.Utils;
+
+internal partial class ResilienceStrategyPipeline
+{
+    internal sealed class DebuggerProxy
+    {
+        private readonly ResilienceStrategyPipeline _resilienceStrategy;
+
+        public DebuggerProxy(ResilienceStrategyPipeline resilienceStrategy) => _resilienceStrategy = resilienceStrategy;
+
+        [DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
+        public IEnumerable<ResilienceStrategy> Strategies => _resilienceStrategy.Strategies;
+    }
+}

src/Polly.Core/Utils/ResilienceStrategyPipeline.cs

@@ -8,7 +8,8 @@ namespace Polly.Utils;
 /// A pipeline of strategies.
 /// </summary>
 [DebuggerDisplay("ResilienceStrategyPipeline, Strategies = {Strategies.Count}")]
-internal sealed class ResilienceStrategyPipeline : ResilienceStrategy
+[DebuggerTypeProxy(typeof(DebuggerProxy))]
+internal sealed partial class ResilienceStrategyPipeline : ResilienceStrategy
 {
     private readonly ResilienceStrategy _pipeline;
 

test/Polly.Core.Tests/ResilienceStrategyTests.cs

@@ -1,4 +1,3 @@
-using Moq;
 using Polly.Utils;
 
 namespace Polly.Core.Tests;
@@ -39,12 +38,8 @@ public void DebuggerProxy_Ok()
             new TestResilienceStrategy(),
             new TestResilienceStrategy()
         });
-        var reloadable = new ReloadableResilienceStrategy(pipeline, () => default, () => pipeline, TestUtilities.CreateResilienceTelemetry(Mock.Of<DiagnosticSource>()));
 
-        new ResilienceStrategy.DebuggerProxy(NullResilienceStrategy.Instance).Strategies.Should().HaveCount(1);
-        new ResilienceStrategy.DebuggerProxy(pipeline).Strategies.Should().HaveCount(2);
-        new ResilienceStrategy.DebuggerProxy(reloadable).Strategies.Should().HaveCount(3);
-        new ResilienceStrategy<string>.DebuggerProxy(NullResilienceStrategy<string>.Instance).Strategies.Should().HaveCount(1);
+        new ResilienceStrategyPipeline.DebuggerProxy(pipeline).Strategies.Should().HaveCount(2);
     }
 
     public class ExecuteParameters<T> : ExecuteParameters