Do not emit unused fields in RDG source

Do not emit unused private fields for HTTP verbs that are not used by any of the user-code endpoints. Resolves #48381.
dotnet · Jun 9, 2023 · e4c1c32 · e4c1c32
1 parent 6575b28
commit e4c1c32
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Showing 40 changed files with 60 additions and 181 deletions.
diff --git a/src/Http/Http.Extensions/gen/RequestDelegateGenerator.cs b/src/Http/Http.Extensions/gen/RequestDelegateGenerator.cs
@@ -1,17 +1,18 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Text;
 using Microsoft.AspNetCore.Analyzers.Infrastructure;
 using Microsoft.AspNetCore.App.Analyzers.Infrastructure;
-using Microsoft.CodeAnalysis;
-using Microsoft.CodeAnalysis.Operations;
-using Microsoft.AspNetCore.Http.RequestDelegateGenerator.StaticRouteHandlerModel.Emitters;
 using Microsoft.AspNetCore.Http.RequestDelegateGenerator.StaticRouteHandlerModel;
+using Microsoft.AspNetCore.Http.RequestDelegateGenerator.StaticRouteHandlerModel.Emitters;
+using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.Operations;
 
 namespace Microsoft.AspNetCore.Http.RequestDelegateGenerator;
 
@@ -125,7 +126,8 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
             .Collect()
             .Select((endpoints, _) =>
             {
-                var dedupedByDelegate = endpoints.Distinct<Endpoint>(EndpointDelegateComparer.Instance);
+                var dedupedByDelegate = endpoints.Distinct(EndpointDelegateComparer.Instance);
+                var verbs = new HashSet<string>();
                 using var stringWriter = new StringWriter(CultureInfo.InvariantCulture);
                 using var codeWriter = new CodeWriter(stringWriter, baseIndent: 2);
                 foreach (var endpoint in dedupedByDelegate)
@@ -161,15 +163,22 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
                     {
                         codeWriter.WriteLine($"{SymbolDisplay.FormatLiteral("{*path:nonfile}", true)},");
                     }
+
+                    (var verbSymbol, var verbHttp) = endpoint.EmitVerb();
+                    if (verbHttp is { })
+                    {
+                        verbs.Add(verbHttp);
+                    }
+
                     codeWriter.WriteLine("handler,");
-                    codeWriter.WriteLine($"{endpoint.EmitVerb()},");
+                    codeWriter.WriteLine($"{verbSymbol},");
                     codeWriter.WriteLine("filePath,");
                     codeWriter.WriteLine("lineNumber);");
                     codeWriter.Indent--;
                     codeWriter.EndBlock();
                 }
 
-                return stringWriter.ToString();
+                return (stringWriter.ToString(), verbs);
             });
 
         var endpointHelpers = endpoints
@@ -283,7 +292,7 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
 
         context.RegisterSourceOutput(thunksAndEndpoints, (context, sources) =>
         {
-            var (((thunks, endpointsCode), helperMethods), helperTypes) = sources;
+            var (((thunks, (endpointsCode, verbs)), helperMethods), helperTypes) = sources;
 
             if (thunks.IsDefaultOrEmpty || string.IsNullOrEmpty(endpointsCode))
             {
@@ -301,7 +310,8 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
                 thunks: thunksCode.ToString(),
                 endpoints: endpointsCode,
                 helperMethods: helperMethods ?? string.Empty,
-                helperTypes: helperTypes ?? string.Empty);
+                helperTypes: helperTypes ?? string.Empty,
+                verbs: verbs);
 
             context.AddSource("GeneratedRouteBuilderExtensions.g.cs", code);
         });

diff --git a/src/Http/Http.Extensions/gen/RequestDelegateGeneratorSources.cs b/src/Http/Http.Extensions/gen/RequestDelegateGeneratorSources.cs
@@ -1,7 +1,10 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.Collections.Generic;
+using System.Text;
 using Microsoft.CodeAnalysis.CSharp;
+
 namespace Microsoft.AspNetCore.Http.RequestDelegateGenerator;
 
 internal static class RequestDelegateGeneratorSources
@@ -500,7 +503,7 @@ public override bool IsDefined(Type attributeType, bool inherit)
     }
 """;
 
-    public static string GetGeneratedRouteBuilderExtensionsSource(string genericThunks, string thunks, string endpoints, string helperMethods, string helperTypes) => $$"""
+    public static string GetGeneratedRouteBuilderExtensionsSource(string genericThunks, string thunks, string endpoints, string helperMethods, string helperTypes, HashSet<string> verbs) => $$"""
 {{SourceHeader}}
 
 namespace Microsoft.AspNetCore.Builder
@@ -518,7 +521,7 @@ public SourceKey(string path, int line)
         }
     }
 
-{{GetEndpoints(endpoints)}}
+{{GetEndpoints(endpoints, verbs)}}
 }
 
 namespace Microsoft.AspNetCore.Http.Generated
@@ -641,7 +644,15 @@ internal static RouteHandlerBuilder MapCore(
         }
 """ : string.Empty;
 
-    private static string GetEndpoints(string endpoints) => endpoints != string.Empty ? $$"""
+    private static string GetEndpoints(string endpoints, HashSet<string> verbs)
+    {
+        if (endpoints == string.Empty)
+        {
+            return string.Empty;
+        }
+
+        var builder = new StringBuilder();
+        builder.Append($$"""
     // This class needs to be internal so that the compiled application
     // has access to the strongly-typed endpoint definitions that are
     // generated by the compiler so that they will be favored by
@@ -650,13 +661,26 @@ private static string GetEndpoints(string endpoints) => endpoints != string.Empt
     {{GeneratedCodeAttribute}}
     internal static class GenerateRouteBuilderEndpoints
     {
-        private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
+""");
+
+        foreach (string verb in verbs)
+        {
+            builder.AppendLine($$"""
+        private static readonly string[] {{verb}}Verb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.{{verb}} };
+""");
+        }
+
+        if (verbs.Count > 0)
+        {
+            builder.AppendLine();
+        }
+
+        builder.Append($$"""
         {{endpoints}}
     }
-""" : string.Empty;
+""");
+
+        return builder.ToString();
+    }
 }
diff --git a/src/Http/Http.Extensions/gen/StaticRouteHandlerModel/StaticRouteHandlerModel.Emitter.cs b/src/Http/Http.Extensions/gen/StaticRouteHandlerModel/StaticRouteHandlerModel.Emitter.cs
@@ -34,18 +34,18 @@ public static string EmitSourceKey(this Endpoint endpoint)
         return $@"(@""{endpoint.Location.File}"", {endpoint.Location.LineNumber})";
     }
 
-    public static string EmitVerb(this Endpoint endpoint)
+    public static (string VerbSymbol, string? VerbHttp) EmitVerb(this Endpoint endpoint)
     {
         return endpoint.HttpMethod switch
         {
-            "MapGet" => "GetVerb",
-            "MapPut" => "PutVerb",
-            "MapPost" => "PostVerb",
-            "MapDelete" => "DeleteVerb",
-            "MapPatch" => "PatchVerb",
-            "MapMethods" => "httpMethods",
-            "Map" => "null",
-            "MapFallback" => "null",
+            "MapGet" => ("GetVerb", "Get"),
+            "MapPut" => ("PutVerb", "Put"),
+            "MapPost" => ("PostVerb", "Post"),
+            "MapDelete" => ("DeleteVerb", "Delete"),
+            "MapPatch" => ("PatchVerb", "Patch"),
+            "MapMethods" => ("httpMethods", null),
+            "Map" => ("null", null),
+            "MapFallback" => ("null", null),
             _ => throw new ArgumentException($"Received unexpected HTTP method: {endpoint.HttpMethod}")
         };
     }

diff --git a/...nsions/test/RequestDelegateGenerator/Baselines/MapAction_BindAsync_Snapshot.generated.txt b/...nsions/test/RequestDelegateGenerator/Baselines/MapAction_BindAsync_Snapshot.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...egateGenerator/Baselines/MapAction_ExplicitBodyParam_ComplexReturn_Snapshot.generated.txt b/...egateGenerator/Baselines/MapAction_ExplicitBodyParam_ComplexReturn_Snapshot.generated.txt
@@ -31,11 +31,7 @@ namespace Microsoft.AspNetCore.Builder
     %GENERATEDCODEATTRIBUTE%
     internal static class GenerateRouteBuilderEndpoints
     {
-        private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
         private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapPost(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...tDelegateGenerator/Baselines/MapAction_ExplicitHeader_ComplexTypeArrayParam.generated.txt b/...tDelegateGenerator/Baselines/MapAction_ExplicitHeader_ComplexTypeArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...legateGenerator/Baselines/MapAction_ExplicitHeader_NullableStringArrayParam.generated.txt b/...legateGenerator/Baselines/MapAction_ExplicitHeader_NullableStringArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...equestDelegateGenerator/Baselines/MapAction_ExplicitHeader_StringArrayParam.generated.txt b/...equestDelegateGenerator/Baselines/MapAction_ExplicitHeader_StringArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...stDelegateGenerator/Baselines/MapAction_ExplicitQuery_ComplexTypeArrayParam.generated.txt b/...stDelegateGenerator/Baselines/MapAction_ExplicitQuery_ComplexTypeArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...elegateGenerator/Baselines/MapAction_ExplicitQuery_NullableStringArrayParam.generated.txt b/...elegateGenerator/Baselines/MapAction_ExplicitQuery_NullableStringArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...RequestDelegateGenerator/Baselines/MapAction_ExplicitQuery_StringArrayParam.generated.txt b/...RequestDelegateGenerator/Baselines/MapAction_ExplicitQuery_StringArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...ateGenerator/Baselines/MapAction_ExplicitServiceParam_SimpleReturn_Snapshot.generated.txt b/...ateGenerator/Baselines/MapAction_ExplicitServiceParam_SimpleReturn_Snapshot.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...tDelegateGenerator/Baselines/MapAction_ExplicitSource_SimpleReturn_Snapshot.generated.txt b/...tDelegateGenerator/Baselines/MapAction_ExplicitSource_SimpleReturn_Snapshot.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...stDelegateGenerator/Baselines/MapAction_ImplicitQuery_ComplexTypeArrayParam.generated.txt b/...stDelegateGenerator/Baselines/MapAction_ImplicitQuery_ComplexTypeArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...elegateGenerator/Baselines/MapAction_ImplicitQuery_NullableStringArrayParam.generated.txt b/...elegateGenerator/Baselines/MapAction_ImplicitQuery_NullableStringArrayParam.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/...Baselines/MapAction_ImplicitQuery_NullableStringArrayParam_EmptyQueryValues.generated.txt b/...Baselines/MapAction_ImplicitQuery_NullableStringArrayParam_EmptyQueryValues.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,

diff --git a/.../Baselines/MapAction_ImplicitQuery_NullableStringArrayParam_QueryNotPresent.generated.txt b/.../Baselines/MapAction_ImplicitQuery_NullableStringArrayParam_QueryNotPresent.generated.txt
@@ -32,10 +32,6 @@ namespace Microsoft.AspNetCore.Builder
     internal static class GenerateRouteBuilderEndpoints
     {
         private static readonly string[] GetVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Get };
-        private static readonly string[] PostVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Post };
-        private static readonly string[] PutVerb = new[]  { global::Microsoft.AspNetCore.Http.HttpMethods.Put };
-        private static readonly string[] DeleteVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Delete };
-        private static readonly string[] PatchVerb = new[] { global::Microsoft.AspNetCore.Http.HttpMethods.Patch };
 
         internal static global::Microsoft.AspNetCore.Builder.RouteHandlerBuilder MapGet(
             this global::Microsoft.AspNetCore.Routing.IEndpointRouteBuilder endpoints,