chore: update fielddeclaration to a class

packages/http-client-csharp/generator/Microsoft.Generator.CSharp/src/OutputTypes/ExtensibleEnumTypeProvider.cs

@@ -52,11 +52,11 @@ protected override IReadOnlyList<EnumTypeMember> BuildMembers()
                 // for initializationValue, if the enum is extensible, we always need it
                 var initializationValue = Literal(inputValue.Value);
                 var field = new FieldDeclaration(
-                    Description: FormattableStringHelpers.FromString(inputValue.Description),
-                    Modifiers: modifiers,
-                    Type: ValueType,
-                    Name: name,
-                    InitializationValue: initializationValue);
+                    modifiers,
+                    ValueType,
+                    name,
+                    FormattableStringHelpers.FromString(inputValue.Description),
+                    initializationValue);
 
                 values[i] = new EnumTypeMember(valueName, field, inputValue.Value);
             }

packages/http-client-csharp/generator/Microsoft.Generator.CSharp/src/OutputTypes/FieldDeclaration.cs

@@ -6,27 +6,30 @@
 
 namespace Microsoft.Generator.CSharp
 {
-    public sealed record FieldDeclaration(FormattableString? Description, FieldModifiers Modifiers, CSharpType Type, string Name, ValueExpression? InitializationValue)
+    public sealed class FieldDeclaration
     {
-        public string Accessibility => (Modifiers & FieldModifiers.Public) > 0 ? "public" : "internal";
+        public FormattableString? Description { get; }
+        public FieldModifiers Modifiers { get; }
+        public CSharpType Type { get; }
+        public string Name { get; }
+        public ValueExpression? InitializationValue { get; }
 
         private CodeWriterDeclaration? _declaration;
 
         public CodeWriterDeclaration Declaration => _declaration ??= new CodeWriterDeclaration(Name);
 
-        public FieldDeclaration(FieldModifiers modifiers, CSharpType type, string name)
-            : this(description: null,
-                  modifiers: modifiers,
-                  type: type,
-                  name: name)
-        { }
-
-        public FieldDeclaration(FormattableString? description, FieldModifiers modifiers, CSharpType type, string name)
-            : this(Description: description,
-                  Modifiers: modifiers,
-                  Type: type,
-                  Name: name,
-                  InitializationValue: null)
-        { }
+        public FieldDeclaration(
+            FieldModifiers modifiers,
+            CSharpType type,
+            string name,
+            FormattableString? description = null,
+            ValueExpression? initializationValue = null)
+        {
+            Modifiers = modifiers;
+            Type = type;
+            Name = name;
+            Description = description;
+            InitializationValue = initializationValue;
+        }
     }
 }

packages/http-client-csharp/generator/Microsoft.Generator.CSharp/src/OutputTypes/FixedEnumTypeProvider.cs

@@ -44,11 +44,11 @@ protected override IReadOnlyList<EnumTypeMember> BuildMembers()
                 // for fixed enum, we only need it for int values, for other value typed fixed enum, we use the serialization extension method to give the values (because assigning them to enum members cannot compile)
                 var initializationValue = IsIntValueType ? Literal(inputValue.Value) : null;
                 var field = new FieldDeclaration(
-                    Description: FormattableStringHelpers.FromString(inputValue.Description),
-                    Modifiers: modifiers,
-                    Type: ValueType,
-                    Name: name,
-                    InitializationValue: initializationValue);
+                    modifiers,
+                    ValueType,
+                    name,
+                    FormattableStringHelpers.FromString(inputValue.Description),
+                    initializationValue);
 
                 values[i] = new EnumTypeMember(name, field, inputValue.Value);
             }

packages/http-client-csharp/generator/Microsoft.Generator.CSharp/test/CodeWriterTests.cs

@@ -270,12 +270,9 @@ public void TestWriteMethodDeclarationNoScope_ConstructorSignature()
         [Test]
         public void CodeWriter_WriteField()
         {
-            var field1 = new FieldDeclaration($"To test int", FieldModifiers.Private, typeof(int), "_intConst");
-            var field2 = new FieldDeclaration($"To test string", FieldModifiers.Private | FieldModifiers.Static | FieldModifiers.ReadOnly, typeof(string), "_stringValue");
-            var field3 = new FieldDeclaration($"To test a field with initialization value", FieldModifiers.Private | FieldModifiers.Static | FieldModifiers.ReadOnly, typeof(string), "withValue")
-            {
-                InitializationValue = Literal("abc")
-            };
+            var field1 = new FieldDeclaration(FieldModifiers.Private, typeof(int), "_intConst", $"To test int");
+            var field2 = new FieldDeclaration(FieldModifiers.Private | FieldModifiers.Static | FieldModifiers.ReadOnly, typeof(string), "_stringValue", $"To test string");
+            var field3 = new FieldDeclaration(FieldModifiers.Private | FieldModifiers.Static | FieldModifiers.ReadOnly, typeof(string), "withValue", $"To test a field with initialization value", Literal("abc"));
 
             var codeWriter = new CodeWriter();
             codeWriter.WriteField(field1);