Can you summarize the completion so far and what are pending to do next?

Author: CodeStudio Agent

src/Data/NullableHelper.cs

@@ -1,7 +1,8 @@
-using System.ComponentModel;
+using System.ComponentModel;
 using System.Reflection;
 using System.Globalization;
 using System.Collections;
+using System.Diagnostics.CodeAnalysis;
 using Hashtable = System.Collections.Generic.Dictionary<object, object>;
 
 namespace Syncfusion.Blazor.Toolkit.Data
@@ -68,6 +69,7 @@ public static bool IsIEnumerableType(PropertyInfo pd)
         /// <param name="value"></param>
         /// <param name="type"></param>
         /// <returns></returns>
+        [RequiresUnreferencedCode("Calls TypeConverterHelper.ChangeType, which calls TypeDescriptor.GetConverter(Type) and is unsafe to trim.")]
         public static object ChangeType(object value, Type type)
         {
             Type? nullableUnderlyingType = Nullable.GetUnderlyingType(type);
@@ -94,6 +96,7 @@ public static object ChangeType(object value, Type type)
         /// <param name="type"></param>
         /// <param name="provider"></param>
         /// <returns></returns>
+        [RequiresUnreferencedCode("Calls TypeConverterHelper.ChangeType, which calls TypeDescriptor.GetConverter(Type) and is unsafe to trim.")]
         public static object ChangeType(object value, Type type, IFormatProvider provider)
         {
             Type? nullableUnderlyingType = Nullable.GetUnderlyingType(type);
@@ -143,6 +146,7 @@ public static bool IsNullableType(Type nullableType)
         /// A <see cref="Type"/> representing <c>Nullable&lt;T&gt;</c> for value types, or the original
         /// <paramref name="type"/> if it is already nullable or a reference type.
         /// </returns>
+        [RequiresDynamicCode("Calls Type.MakeGenericType(params Type[]) to build Nullable<T> for value types, which may need to generate new code at runtime.")]
         public static Type GetNullableType(Type type)
         {
             if (type == null)
@@ -212,11 +216,13 @@ public static Type GetUnderlyingType(Type type)
         /// <exclude />
         private class TypeConverterHelper
         {
+            [RequiresUnreferencedCode("Calls TypeDescriptor.GetConverter(Type), which is unsafe to trim.")]
             public static object ChangeType(object value, Type type)
             {
                 return ChangeType(value, type, null!);
             }
 
+            [RequiresUnreferencedCode("Calls TypeDescriptor.GetConverter(Type), which is unsafe to trim.")]
             public static object ChangeType(object value, Type type, IFormatProvider provider)
             {
                 // Fix for defects: 13036, 13024, 12601  & 12716
@@ -249,6 +255,7 @@ public static class ValueConvert
         /// <param name="type">The target type.</param>
         /// <param name="provider">A <see cref="IFormatProvider"/> used to format or parse the value.</param>
         /// <returns>The new value in the target type.</returns>
+        [RequiresUnreferencedCode("Calls ChangeType(object, Type, IFormatProvider, string, bool), which calls TypeDescriptor.GetConverter(Type) and is unsafe to trim.")]
         public static object ChangeType(object value, Type type, IFormatProvider provider)
         {
             return ChangeType(value, type, provider, false);
@@ -263,6 +270,7 @@ public static object ChangeType(object value, Type type, IFormatProvider provide
         /// <param name="returnDbNUllIfNotValid">Indicates whether exceptions should be avoided or catched and return value should be DBNull if
         /// it cannot be converted to the target type.</param>
         /// <returns>The new value in the target type.</returns>
+        [RequiresUnreferencedCode("Calls ChangeType(object, Type, IFormatProvider, string, bool), which calls TypeDescriptor.GetConverter(Type) and is unsafe to trim.")]
         public static object ChangeType(object value, Type type, IFormatProvider provider, bool returnDbNUllIfNotValid)
         {
             return ChangeType(value, type, provider, string.Empty, returnDbNUllIfNotValid);
@@ -278,6 +286,7 @@ public static object ChangeType(object value, Type type, IFormatProvider provide
         /// <param name="returnDbNUllIfNotValid">Indicates whether exceptions should be avoided or catched and return value should be DBNull if
         /// it cannot be converted to the target type.</param>
         /// <returns>The new value in the target type.</returns>
+        [RequiresUnreferencedCode("Calls Parse and NullableHelperInternal.ChangeType, which call TypeDescriptor.GetConverter(Type) and are unsafe to trim.")]
         public static object ChangeType(object value, Type type, IFormatProvider provider, string format,
                                         bool returnDbNUllIfNotValid)
         {