From bccdc63e99c280ed388b14280ce09ae2c91260cc Mon Sep 17 00:00:00 2001
From: Blaise Taylor <btaylor@bPolicySolutions.com>
Date: Thu, 19 Feb 2026 13:25:39 -0500
Subject: [PATCH] Marking obsolete methods and classes.

---
 .../AutoMapper.Extensions.ExpressionMapping.csproj       | 6 ++++--
 .../MapIncludesVisitor.cs                                | 1 +
 .../MapperExtensions.cs                                  | 9 +++++++++
 .../Structures/MapperInfo.cs                             | 1 +
 .../XpressionMapperVisitor.cs                            | 9 +++++++++
 ...oMapper.Extensions.ExpressionMapping.UnitTests.csproj | 6 +++---
 6 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/src/AutoMapper.Extensions.ExpressionMapping/AutoMapper.Extensions.ExpressionMapping.csproj b/src/AutoMapper.Extensions.ExpressionMapping/AutoMapper.Extensions.ExpressionMapping.csproj
index 8ae2b3f..255dde4 100644
--- a/src/AutoMapper.Extensions.ExpressionMapping/AutoMapper.Extensions.ExpressionMapping.csproj
+++ b/src/AutoMapper.Extensions.ExpressionMapping/AutoMapper.Extensions.ExpressionMapping.csproj
@@ -10,6 +10,8 @@
     <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
     <PackageId>AutoMapper.Extensions.ExpressionMapping</PackageId>
 		<PackageIcon>icon.png</PackageIcon>
+		<PackageReadmeFile>README.md</PackageReadmeFile>
+		<PackageReleaseNotes>Marking obsolete methods and classes.</PackageReleaseNotes>
     <PackageProjectUrl>https://automapper.org</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <RepositoryType>git</RepositoryType>
@@ -30,11 +32,11 @@
 
   <ItemGroup>
     <PackageReference Include="AutoMapper" Version="[16.0.0,17.0.0)" />
-    <PackageReference Include="MinVer" Version="6.0.0">
+    <PackageReference Include="MinVer" Version="7.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.103" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/AutoMapper.Extensions.ExpressionMapping/MapIncludesVisitor.cs b/src/AutoMapper.Extensions.ExpressionMapping/MapIncludesVisitor.cs
index 85898e3..20d04fb 100644
--- a/src/AutoMapper.Extensions.ExpressionMapping/MapIncludesVisitor.cs
+++ b/src/AutoMapper.Extensions.ExpressionMapping/MapIncludesVisitor.cs
@@ -7,6 +7,7 @@
 
 namespace AutoMapper.Extensions.ExpressionMapping
 {
+    [Obsolete("This class is not intended for public use and may be removed in future versions.")]
     public class MapIncludesVisitor : XpressionMapperVisitor
     {
         public MapIncludesVisitor(IMapper mapper, IConfigurationProvider configurationProvider, Dictionary<Type, Type> typeMappings)
diff --git a/src/AutoMapper.Extensions.ExpressionMapping/MapperExtensions.cs b/src/AutoMapper.Extensions.ExpressionMapping/MapperExtensions.cs
index 1c47e37..b64296a 100644
--- a/src/AutoMapper.Extensions.ExpressionMapping/MapperExtensions.cs
+++ b/src/AutoMapper.Extensions.ExpressionMapping/MapperExtensions.cs
@@ -39,6 +39,7 @@ private static TDestDelegate _MapExpression<TSourceDelegate, TDestDelegate>(this
         private static MethodInfo GetMapExpressionMethod(this string methodName)
             => typeof(MapperExtensions).GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Static);
 
+        [Obsolete("This method is obsolete. Use IMapper.Map(object source, Type sourceType, Type destinationType) instead.")]
         public static object MapObject(this IMapper mapper, object obj, Type sourceType, Type destType) 
             => "_MapObject".GetMapObjectMethod().MakeGenericMethod
             (
@@ -153,6 +154,7 @@ public static TDestDelegate MapExpression<TSourceDelegate, TDestDelegate>(this I
         /// <param name="mapper"></param>
         /// <param name="expression"></param>
         /// <returns></returns>
+        [Obsolete("Use ProjectTo with expansions instead of IMapper.MapExpressionAsInclude.")]
         public static TDestDelegate MapExpressionAsInclude<TDestDelegate>(this IMapper mapper, LambdaExpression expression)
             where TDestDelegate : LambdaExpression
         {
@@ -175,6 +177,7 @@ public static TDestDelegate MapExpressionAsInclude<TDestDelegate>(this IMapper m
         /// <param name="mapper"></param>
         /// <param name="expression"></param>
         /// <returns></returns>
+        [Obsolete("Use ProjectTo with expansions instead of IMapper.MapExpressionAsInclude.")]
         public static TDestDelegate MapExpressionAsInclude<TSourceDelegate, TDestDelegate>(this IMapper mapper, TSourceDelegate expression)
             where TSourceDelegate : LambdaExpression
             where TDestDelegate : LambdaExpression
@@ -212,6 +215,7 @@ public static ICollection<TDestDelegate> MapExpressionList<TDestDelegate>(this I
         /// <param name="mapper"></param>
         /// <param name="collection"></param>
         /// <returns></returns>
+        [Obsolete("Use ProjectTo with expansions instead of IMapper.MapIncludesList.")]
         public static ICollection<TDestDelegate> MapIncludesList<TSourceDelegate, TDestDelegate>(this IMapper mapper, ICollection<TSourceDelegate> collection)
             where TSourceDelegate : LambdaExpression
             where TDestDelegate : LambdaExpression
@@ -224,6 +228,7 @@ public static ICollection<TDestDelegate> MapIncludesList<TSourceDelegate, TDestD
         /// <param name="mapper"></param>
         /// <param name="collection"></param>
         /// <returns></returns>
+        [Obsolete("Use ProjectTo with expansions instead of IMapper.MapIncludesList.")]
         public static ICollection<TDestDelegate> MapIncludesList<TDestDelegate>(this IMapper mapper, IEnumerable<LambdaExpression> collection)
             where TDestDelegate : LambdaExpression
             => collection?.Select(mapper.MapExpressionAsInclude<TDestDelegate>).ToList();
@@ -235,6 +240,7 @@ public static ICollection<TDestDelegate> MapIncludesList<TDestDelegate>(this IMa
         /// <param name="infoDictionary"></param>
         /// <param name="typeMappings"></param>
         /// <returns></returns>
+        [Obsolete("This method will be moved to a public class meant for internal use.")]
         public static List<ParameterExpression> GetDestinationParameterExpressions(this LambdaExpression expression, MapperInfoDictionary infoDictionary, Dictionary<Type, Type> typeMappings)
         {
             foreach (var p in expression.Parameters.Where(p => !infoDictionary.ContainsKey(p)))
@@ -253,6 +259,7 @@ public static List<ParameterExpression> GetDestinationParameterExpressions(this
         /// <param name="typeMappings"></param>
         /// <param name="configurationProvider"></param>
         /// <returns></returns>
+        [Obsolete("This method is not being used and will be removed.")]
         public static Dictionary<Type, Type> AddTypeMapping<TSource, TDest>(this Dictionary<Type, Type> typeMappings, IConfigurationProvider configurationProvider)
             => typeMappings == null
                 ? throw new ArgumentException(Properties.Resources.typeMappingsDictionaryIsNull)
@@ -293,6 +300,7 @@ private static void AddUnderlyingTypes(this Dictionary<Type, Type> typeMappings,
         /// <param name="sourceType"></param>
         /// <param name="destType"></param>
         /// <returns></returns>
+        [Obsolete("This method will be moved to a public class meant for internal use.")]
         public static Dictionary<Type, Type> AddTypeMapping(this Dictionary<Type, Type> typeMappings, IConfigurationProvider configurationProvider, Type sourceType, Type destType)
         {
             if (typeMappings == null)
@@ -345,6 +353,7 @@ void AddTypeMaps(TypeMap typeMap)
         /// <param name="typeMappings"></param>
         /// <param name="sourceType"></param>
         /// <returns></returns>
+        [Obsolete("This method will be moved to a public class meant for internal use.")]
         public static Type ReplaceType(this Dictionary<Type, Type> typeMappings, Type sourceType)
         {
             if (sourceType.IsArray)
diff --git a/src/AutoMapper.Extensions.ExpressionMapping/Structures/MapperInfo.cs b/src/AutoMapper.Extensions.ExpressionMapping/Structures/MapperInfo.cs
index 6b6849d..003f9f9 100644
--- a/src/AutoMapper.Extensions.ExpressionMapping/Structures/MapperInfo.cs
+++ b/src/AutoMapper.Extensions.ExpressionMapping/Structures/MapperInfo.cs
@@ -5,6 +5,7 @@ namespace AutoMapper.Extensions.ExpressionMapping.Structures
 {
     public class MapperInfo
     {
+        [Obsolete("Use MapperInfo(ParameterExpression newParameter, Type sourceType, Type destType).")]
         public MapperInfo()
         {
 
diff --git a/src/AutoMapper.Extensions.ExpressionMapping/XpressionMapperVisitor.cs b/src/AutoMapper.Extensions.ExpressionMapping/XpressionMapperVisitor.cs
index c59e4e4..0a96708 100644
--- a/src/AutoMapper.Extensions.ExpressionMapping/XpressionMapperVisitor.cs
+++ b/src/AutoMapper.Extensions.ExpressionMapping/XpressionMapperVisitor.cs
@@ -13,6 +13,7 @@ namespace AutoMapper.Extensions.ExpressionMapping
 {
     public class XpressionMapperVisitor : ExpressionVisitor
     {
+        [Obsolete("This constructor is obsolete. Use XpressionMapperVisitor(IMapper mapper, Dictionary<Type, Type> typeMappings).")]
         public XpressionMapperVisitor(IMapper mapper, IConfigurationProvider configurationProvider, Dictionary<Type, Type> typeMappings)
         {
             Mapper = mapper;
@@ -21,6 +22,14 @@ public XpressionMapperVisitor(IMapper mapper, IConfigurationProvider configurati
             ConfigurationProvider = configurationProvider;
         }
 
+        public XpressionMapperVisitor(IMapper mapper, Dictionary<Type, Type> typeMappings)
+        {
+            Mapper = mapper;
+            TypeMappings = typeMappings;
+            InfoDictionary = new MapperInfoDictionary(new ParameterExpressionEqualityComparer());
+            ConfigurationProvider = mapper.ConfigurationProvider;
+        }
+
         public MapperInfoDictionary InfoDictionary { get; }
 
         public Dictionary<Type, Type> TypeMappings { get; }
diff --git a/tests/AutoMapper.Extensions.ExpressionMapping.UnitTests/AutoMapper.Extensions.ExpressionMapping.UnitTests.csproj b/tests/AutoMapper.Extensions.ExpressionMapping.UnitTests/AutoMapper.Extensions.ExpressionMapping.UnitTests.csproj
index 0c58195..ab6b9f5 100644
--- a/tests/AutoMapper.Extensions.ExpressionMapping.UnitTests/AutoMapper.Extensions.ExpressionMapping.UnitTests.csproj
+++ b/tests/AutoMapper.Extensions.ExpressionMapping.UnitTests/AutoMapper.Extensions.ExpressionMapping.UnitTests.csproj
@@ -3,15 +3,15 @@
   <PropertyGroup>
 		<TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">net8.0;net10.0</TargetFrameworks>
 		<TargetFrameworks Condition=" '$(OS)' == 'Windows_NT' ">net481;net8.0;net9.0;net10.0</TargetFrameworks>
-
-    <IsPackable>false</IsPackable>
+		<OutputType>Exe</OutputType>
+		<IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="Microsoft.OData.Edm" Version="7.22.0" />
     <PackageReference Include="Shouldly" Version="4.3.0" />
-    <PackageReference Include="xunit" Version="2.9.3" />
+		<PackageReference Include="xunit.v3" Version="3.2.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>