Put dotnet_diagnostic.CA1852.severity = warning into effect. Fix the …

…resulting warnings

eng/analyzers/Library.globalconfig

@@ -941,6 +941,7 @@ dotnet_diagnostic.CA1851.severity = suggestion
 # Help Link: https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1852
 # Tags     : Telemetry, EnabledRuleInAggressiveMode, CompilationEnd
 dotnet_diagnostic.CA1852.severity = warning
+dotnet_code_quality.CA1852.ignore_internalsvisibleto = true
 
 # Title    : Unnecessary call to 'Dictionary.ContainsKey(key)'
 # Category : Performance

src/Snippets/Docs/Chaos.Behavior.cs

@@ -86,7 +86,7 @@ public static void Pattern_InjectDelay()
     }
 }
 
-internal class RedisConnectionException : Exception
+internal sealed class RedisConnectionException : Exception
 {
     public RedisConnectionException()
     {

src/Snippets/Docs/Chaos.Index.cs

@@ -174,7 +174,7 @@ public static void CentralPipelineIntegration(IServiceCollection services)
     #region chaos-extension
 
     // Options that represent the chaos pipeline
-    public class MyChaosOptions
+    public sealed class MyChaosOptions
     {
         public ChaosFaultStrategyOptions Fault { get; set; } = new()
         {

src/Snippets/Docs/DependencyInjection.cs

@@ -108,7 +108,7 @@ public static async Task KeyedServicesDefine(IServiceCollection services)
 
     #region di-keyed-services-use
 
-    public class MyApi
+    public sealed class MyApi
     {
         private readonly ResiliencePipeline _pipeline;
         private readonly ResiliencePipeline<HttpResponseMessage> _genericPipeline;

src/Snippets/Docs/Fallback.cs

@@ -57,14 +57,14 @@ public static void Usage()
         #endregion
     }
 
-    public class UserAvatar
+    public sealed class UserAvatar
     {
         public static readonly UserAvatar Blank = new();
 
         public static UserAvatar GetRandomAvatar() => new();
     }
 
-    private class CustomNetworkException : Exception
+    private sealed class CustomNetworkException : Exception
     {
         public CustomNetworkException()
         {

src/Snippets/Docs/Hedging.cs

@@ -132,7 +132,7 @@ internal static class ResilienceKeys
 
     #region hedging-handler
 
-    internal class HedgingHandler : DelegatingHandler
+    internal sealed class HedgingHandler : DelegatingHandler
     {
         private readonly ResiliencePipeline<HttpResponseMessage> _pipeline;
 

src/Snippets/Docs/Performance.cs

@@ -120,13 +120,13 @@ static async (context, state) =>
 
     private static ValueTask<Member> GetMemberAsync(string id, CancellationToken token) => default;
 
-    public class Member
+    public sealed class Member
     {
     }
 
     #region perf-reuse-pipelines
 
-    public class MyApi
+    public sealed class MyApi
     {
         private readonly ResiliencePipelineRegistry<string> _registry;
 

src/Snippets/Docs/Telemetry.cs

@@ -82,15 +82,15 @@ public static void AddResiliencePipelineWithTelemetry()
 
     #region telemetry-listeners
 
-    internal class MyTelemetryListener : TelemetryListener
+    internal sealed class MyTelemetryListener : TelemetryListener
     {
         public override void Write<TResult, TArgs>(in TelemetryEventArguments<TResult, TArgs> args)
         {
             Console.WriteLine($"Telemetry event occurred: {args.Event.EventName}");
         }
     }
 
-    internal class MyMeteringEnricher : MeteringEnricher
+    internal sealed class MyMeteringEnricher : MeteringEnricher
     {
         public override void Enrich<TResult, TArgs>(in EnrichmentContext<TResult, TArgs> context)
         {

src/Snippets/Docs/Utils/SomeExceptionType.cs

@@ -1,6 +1,6 @@
 namespace Snippets.Docs.Utils;
 
-internal class SomeExceptionType : Exception
+internal sealed class SomeExceptionType : Exception
 {
     public SomeExceptionType(string message)
         : base(message)