Add missing `_dummy` and `_dummyPrimitive` fields

- probably need to double-check for similar gaps in 'release/3.0' branch

src/Components/Components/ref/Microsoft.AspNetCore.Components.Manual.cs

@@ -83,6 +83,7 @@ namespace Microsoft.AspNetCore.Components
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal readonly partial struct CascadingParameterState
     {
+        private readonly object _dummy;
         public CascadingParameterState(string localValueName, Microsoft.AspNetCore.Components.ICascadingValueComponent valueSupplier) { throw null; }
         public string LocalValueName { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
         public Microsoft.AspNetCore.Components.ICascadingValueComponent ValueSupplier { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }

src/Components/Server/ref/Microsoft.AspNetCore.Components.Server.Manual.cs

@@ -20,6 +20,8 @@ namespace Microsoft.AspNetCore.Components
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal partial struct ServerComponent
     {
+        private object _dummy;
+        private int _dummyPrimitive;
         public ServerComponent(int sequence, string assemblyName, string typeName, System.Collections.Generic.IList<Microsoft.AspNetCore.Components.ComponentParameter> parametersDefinitions, System.Collections.Generic.IList<object> parameterValues, System.Guid invocationId) { throw null; }
         public string AssemblyName { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
         public System.Guid InvocationId { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
@@ -43,6 +45,8 @@ namespace Microsoft.AspNetCore.Components
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal partial struct ServerComponentMarker
     {
+        private object _dummy;
+        private int _dummyPrimitive;
         public string Descriptor { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
         public string PrerenderId { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
         public int? Sequence { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } [System.Runtime.CompilerServices.CompilerGeneratedAttribute]set { } }
@@ -173,6 +177,8 @@ namespace Microsoft.AspNetCore.Components.Server.Circuits
         [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
         internal readonly partial struct UnacknowledgedRenderBatch
         {
+            private readonly object _dummy;
+            private readonly int _dummyPrimitive;
             public UnacknowledgedRenderBatch(long batchId, Microsoft.AspNetCore.Components.Server.Circuits.ArrayBuilder<byte> data, System.Threading.Tasks.TaskCompletionSource<object> completionSource, Microsoft.Extensions.Internal.ValueStopwatch valueStopwatch) { throw null; }
             public long BatchId { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
             public System.Threading.Tasks.TaskCompletionSource<object> CompletionSource { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
@@ -239,6 +245,7 @@ namespace Microsoft.AspNetCore.Components.Server.Circuits
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal readonly partial struct CircuitId : System.IEquatable<Microsoft.AspNetCore.Components.Server.Circuits.CircuitId>
     {
+        private readonly object _dummy;
         public CircuitId(string secret, string id) { throw null; }
         public string Id { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
         public string Secret { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
@@ -313,8 +320,9 @@ namespace Microsoft.Extensions.Internal
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal partial struct ValueStopwatch
     {
+        private int _dummyPrimitive;
         public bool IsActive { get { throw null; } }
         public System.TimeSpan GetElapsedTime() { throw null; }
         public static Microsoft.Extensions.Internal.ValueStopwatch StartNew() { throw null; }
     }
-}
+}

src/Http/Routing/ref/Microsoft.AspNetCore.Routing.Manual.cs

@@ -367,6 +367,7 @@ namespace Microsoft.AspNetCore.Routing
         [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
         internal readonly partial struct MatcherState
         {
+            private readonly object _dummy;
             public readonly Microsoft.AspNetCore.Routing.RoutePatternMatcher Matcher;
             public readonly System.Collections.Generic.Dictionary<string, System.Collections.Generic.List<IRouteConstraint>> Constraints;
             public MatcherState(Microsoft.AspNetCore.Routing.RoutePatternMatcher matcher, System.Collections.Generic.Dictionary<string, System.Collections.Generic.List<Microsoft.AspNetCore.Routing.IRouteConstraint>> constraints) { throw null; }

src/Mvc/Mvc.ViewFeatures/ref/Microsoft.AspNetCore.Mvc.ViewFeatures.Manual.cs

@@ -264,6 +264,8 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures.Filters
     }
     internal readonly partial struct LifecycleProperty
     {
+        private readonly object _dummy;
+        private readonly int _dummyPrimitive;
         public LifecycleProperty(System.Reflection.PropertyInfo propertyInfo, string key) { throw null; }
         public string Key { get { throw null; } }
         public System.Reflection.PropertyInfo PropertyInfo { get { throw null; } }
@@ -363,6 +365,7 @@ namespace Microsoft.AspNetCore.Mvc.ViewFeatures
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal readonly partial struct MemberExpressionCacheKey
     {
+        private readonly object _dummy;
         public MemberExpressionCacheKey(System.Type modelType, System.Linq.Expressions.MemberExpression memberExpression) { throw null; }
         public MemberExpressionCacheKey(System.Type modelType, System.Reflection.MemberInfo[] members) { throw null; }
         public System.Linq.Expressions.MemberExpression MemberExpression { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
@@ -590,6 +593,8 @@ namespace Microsoft.AspNetCore.Components.Rendering
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal readonly partial struct ComponentRenderedText
     {
+        private readonly object _dummy;
+        private readonly int _dummyPrimitive;
         public ComponentRenderedText(int componentId, System.Collections.Generic.IEnumerable<string> tokens) { throw null; }
         public int ComponentId { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }
         public System.Collections.Generic.IEnumerable<string> Tokens { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }

src/Servers/HttpSys/ref/Microsoft.AspNetCore.Server.HttpSys.Manual.cs

@@ -97,6 +97,7 @@ namespace Microsoft.AspNetCore.HttpSys.Internal
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     internal readonly partial struct CookedUrl
     {
+        private readonly int _dummyPrimitive;
         internal CookedUrl(Microsoft.AspNetCore.HttpSys.Internal.HttpApiTypes.HTTP_COOKED_URL nativeCookedUrl) { throw null; }
         internal string GetAbsPath() { throw null; }
         internal string GetFullUrl() { throw null; }

src/Servers/Kestrel/Core/ref/Microsoft.AspNetCore.Server.Kestrel.Core.Manual.cs

@@ -1552,6 +1552,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http2.HPack
     internal readonly partial struct HeaderField
     {
         public const int RfcOverhead = 32;
+        private readonly object _dummy;
         public HeaderField(System.Span<byte> name, System.Span<byte> value) { throw null; }
         public int Length { get { throw null; } }
         public byte[] Name { [System.Runtime.CompilerServices.CompilerGeneratedAttribute]get { throw null; } }