#371 Upgrade to .NET 5.

RapidField · Nov 17, 2020 · 59889b5 · 59889b5
1 parent cc634e0
commit 59889b5
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Showing 62 changed files with 200 additions and 191 deletions.
diff --git a/doc/docfx.json b/doc/docfx.json
@@ -61,7 +61,7 @@
         {
             "dest": "api",
             "properties": {
-                "TargetFramework": "netstandard2.1"
+                "TargetFramework": "net5.0"
             },
             "src": [
                 {

diff --git a/...nstruments.Example.BeaconService/RapidField.SolidInstruments.Example.BeaconService.csproj b/...nstruments.Example.BeaconService/RapidField.SolidInstruments.Example.BeaconService.csproj
@@ -35,7 +35,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         </Content>
     </ItemGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.8" />
+        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\RapidField.SolidInstruments.Example.Domain\RapidField.SolidInstruments.Example.Domain.csproj" />

diff --git a/...ssControl.Service/RapidField.SolidInstruments.Example.Domain.AccessControl.Service.csproj b/...ssControl.Service/RapidField.SolidInstruments.Example.Domain.AccessControl.Service.csproj
@@ -35,7 +35,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         </Content>
     </ItemGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.8" />
+        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\RapidField.SolidInstruments.Example.Domain.AccessControl\RapidField.SolidInstruments.Example.Domain.AccessControl.csproj" />

diff --git a/...mple.Domain.AccessControl/RapidField.SolidInstruments.Example.Domain.AccessControl.csproj b/...mple.Domain.AccessControl/RapidField.SolidInstruments.Example.Domain.AccessControl.csproj
@@ -10,18 +10,18 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This project demonstrates AccessControl domain logic utilizing the Solid Instruments data access and messaging constructs.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
         <EnableNETAnalyzers>true</EnableNETAnalyzers>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Example.Domain.AccessControl.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Example.Domain.AccessControl.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Example.Domain.AccessControl.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Example.Domain.AccessControl.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>

diff --git a/...omain.Identity.Service/RapidField.SolidInstruments.Example.Domain.Identity.Service.csproj b/...omain.Identity.Service/RapidField.SolidInstruments.Example.Domain.Identity.Service.csproj
@@ -35,7 +35,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         </Content>
     </ItemGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="3.1.8" />
+        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\RapidField.SolidInstruments.Example.Domain.Identity\RapidField.SolidInstruments.Example.Domain.Identity.csproj" />

diff --git a/...uments.Example.Domain.Identity/RapidField.SolidInstruments.Example.Domain.Identity.csproj b/...uments.Example.Domain.Identity/RapidField.SolidInstruments.Example.Domain.Identity.csproj
@@ -10,26 +10,26 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This project demonstrates Identity domain logic utilizing the Solid Instruments data access and messaging constructs.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <EnableNETAnalyzers>true</EnableNETAnalyzers>
         <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Example.Domain.Identity.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Example.Domain.Identity.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Example.Domain.Identity.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Example.Domain.Identity.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
     <ItemGroup>
         <Content Include="..\..\LICENSE.txt" Link="LICENSE.txt" />
     </ItemGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="3.1.8" />
+        <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="5.0.0" />
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\..\src\RapidField.SolidInstruments.DataAccess.DotNetNative.Ef\RapidField.SolidInstruments.DataAccess.DotNetNative.Ef.csproj" />

diff --git a/...idField.SolidInstruments.Example.Domain/RapidField.SolidInstruments.Example.Domain.csproj b/...idField.SolidInstruments.Example.Domain/RapidField.SolidInstruments.Example.Domain.csproj
@@ -10,19 +10,19 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This project houses a sample collection of shared domain models that utilize the Solid Instruments messaging constructs.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <EnableNETAnalyzers>true</EnableNETAnalyzers>
         <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Example.Domain.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Example.Domain.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
         <Optimize>false</Optimize>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Example.Domain.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Example.Domain.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>

diff --git a/src/RapidField.SolidInstruments.Collections/RapidField.SolidInstruments.Collections.csproj b/src/RapidField.SolidInstruments.Collections/RapidField.SolidInstruments.Collections.csproj
@@ -10,7 +10,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This library exposes useful collection types and features, including: circular buffers, infinite sequences, pinned memory, tree composition and traversal.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/rapidfield/solid-instruments</RepositoryUrl>
@@ -24,12 +24,12 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <EnableNETAnalyzers>true</EnableNETAnalyzers>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Collections.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Collections.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Collections.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Collections.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>

diff --git a/src/RapidField.SolidInstruments.Collections/ReadOnlyPinnedMemory.cs b/src/RapidField.SolidInstruments.Collections/ReadOnlyPinnedMemory.cs
@@ -102,6 +102,7 @@ public ReadOnlyPinnedMemory(T[] field)
         {
             Handle = GCHandle.Alloc(field.RejectIf().IsNull(nameof(field)).TargetArgument, GCHandleType.Pinned);
             Field = (T[])Handle.Target;
+            HandleIsActive = true;
             LazyFieldMemory = new Lazy<Memory<T>>(InitializeFieldMemory, LazyThreadSafetyMode.ExecutionAndPublication);
             Length = field.Length;
             Pointer = Handle.AddrOfPinnedObject();
@@ -210,7 +211,12 @@ protected override void Dispose(Boolean disposing)
             {
                 if (IsDisposed == false)
                 {
-                    Handle.Free();
+                    if (HandleIsActive)
+                    {
+                        HandleIsActive = false;
+                        Handle.Free();
+                    }
+
                     Pointer = IntPtr.Zero;
                 }
             }
@@ -294,5 +300,11 @@ public ReadOnlySpan<T> ReadOnlySpan
         /// </summary>
         [DebuggerBrowsable(DebuggerBrowsableState.Never)]
         private readonly Lazy<Memory<T>> LazyFieldMemory;
+
+        /// <summary>
+        /// Represents a value indicating whether or not <see cref="Handle" /> is initialized and active.
+        /// </summary>
+        [DebuggerBrowsable(DebuggerBrowsableState.Never)]
+        private Boolean HandleIsActive = false;
     }
 }
diff --git a/...Field.SolidInstruments.Command.Autofac/RapidField.SolidInstruments.Command.Autofac.csproj b/...Field.SolidInstruments.Command.Autofac/RapidField.SolidInstruments.Command.Autofac.csproj
@@ -10,7 +10,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This library exposes the Autofac IoC integration for the Solid Instruments implementations of the command and mediator patterns.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/rapidfield/solid-instruments</RepositoryUrl>
@@ -24,12 +24,12 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <EnableNETAnalyzers>true</EnableNETAnalyzers>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
@@ -41,7 +41,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
     <ItemGroup>
         <PackageReference Include="Autofac" Version="6.0.0" />
         <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="7.1.0" />
-        <PackageReference Include="Microsoft.Extensions.Configuration" Version="3.1.8" />
+        <PackageReference Include="Microsoft.Extensions.Configuration" Version="5.0.0" />
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\RapidField.SolidInstruments.Command\RapidField.SolidInstruments.Command.csproj" Version="$(BuildVersion)" />

diff --git a/...dInstruments.Command.DotNetNative/RapidField.SolidInstruments.Command.DotNetNative.csproj b/...dInstruments.Command.DotNetNative/RapidField.SolidInstruments.Command.DotNetNative.csproj
@@ -10,7 +10,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This library exposes the native .NET IoC integration for the Solid Instruments implementations of the command and mediator patterns.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/rapidfield/solid-instruments</RepositoryUrl>
@@ -24,12 +24,12 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <EnableNETAnalyzers>true</EnableNETAnalyzers>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Command.Autofac.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
@@ -39,9 +39,9 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Content Include="..\..\LICENSE.txt" Link="LICENSE.txt" Pack="true" PackagePath="" />
     </ItemGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.Extensions.Configuration" Version="3.1.8" />
-        <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="3.1.8" />
-        <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.1.8" />
+        <PackageReference Include="Microsoft.Extensions.Configuration" Version="5.0.0" />
+        <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.0" />
+        <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="5.0.0" />
     </ItemGroup>
     <ItemGroup>
         <ProjectReference Include="..\RapidField.SolidInstruments.Command\RapidField.SolidInstruments.Command.csproj" Version="$(BuildVersion)" />

diff --git a/src/RapidField.SolidInstruments.Command/RapidField.SolidInstruments.Command.csproj b/src/RapidField.SolidInstruments.Command/RapidField.SolidInstruments.Command.csproj
@@ -10,7 +10,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This library exposes implementations of the command and mediator patterns.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/rapidfield/solid-instruments</RepositoryUrl>
@@ -24,12 +24,12 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <EnableNETAnalyzers>true</EnableNETAnalyzers>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Command.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Command.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Command.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Command.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>

diff --git a/src/RapidField.SolidInstruments.Core/Concurrency/ConcurrencyControl.cs b/src/RapidField.SolidInstruments.Core/Concurrency/ConcurrencyControl.cs
@@ -222,7 +222,7 @@ protected virtual void Dispose(Boolean disposing)
                 return;
             }
 
-            lock (DisposalSyncRoot)
+            lock (DisposalSyncRoot ?? new Object())
             {
                 if (IsDisposed)
                 {

diff --git a/src/RapidField.SolidInstruments.Core/Instrument.cs b/src/RapidField.SolidInstruments.Core/Instrument.cs
@@ -92,7 +92,7 @@ public void Dispose()
                 return;
             }
 
-            lock (DisposalSyncRoot)
+            lock (DisposalSyncRoot ?? new Object())
             {
                 if (IsDisposedOrDisposing)
                 {
@@ -174,7 +174,7 @@ protected void RejectIfDisposed()
         /// <summary>
         /// Gets a concurrency control mechanism that is used to manage state for the current <see cref="Instrument" />.
         /// </summary>
-        protected internal IConcurrencyControl StateControl => LazyStateControl.Value;
+        protected internal IConcurrencyControl StateControl => LazyStateControl?.Value ?? new UnconstrainedControl();
 
         /// <summary>
         /// Gets a value indicating whether or not the current <see cref="Instrument" /> has been disposed.

diff --git a/src/RapidField.SolidInstruments.Core/RapidField.SolidInstruments.Core.csproj b/src/RapidField.SolidInstruments.Core/RapidField.SolidInstruments.Core.csproj
@@ -10,7 +10,7 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Product>Solid Instruments</Product>
         <Description>This library exposes foundational, general-purpose features, including: concurrency control abstractions, configurable types, fluent argument validation and object lifetime management.</Description>
         <Version>$(BuildVersion)</Version>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <LangVersion>latest</LangVersion>
         <RepositoryType>git</RepositoryType>
         <RepositoryUrl>https://github.com/rapidfield/solid-instruments</RepositoryUrl>
@@ -24,13 +24,13 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-        <DocumentationFile>bin\Debug\netstandard2.1\RapidField.SolidInstruments.Core.xml</DocumentationFile>
+        <DocumentationFile>bin\Debug\net5.0\RapidField.SolidInstruments.Core.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
         <WarningLevel>4</WarningLevel>
     </PropertyGroup>
     <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-        <DocumentationFile>bin\Release\netstandard2.1\RapidField.SolidInstruments.Core.xml</DocumentationFile>
+        <DocumentationFile>bin\Release\net5.0\RapidField.SolidInstruments.Core.xml</DocumentationFile>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <WarningsAsErrors />
     </PropertyGroup>
@@ -40,6 +40,6 @@ Copyright (c) RapidField LLC. Licensed under the MIT License. See LICENSE.txt in
         <Content Include="..\..\LICENSE.txt" Link="LICENSE.txt" Pack="true" PackagePath="" />
     </ItemGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.Extensions.Configuration" Version="3.1.8" />
+        <PackageReference Include="Microsoft.Extensions.Configuration" Version="5.0.0" />
     </ItemGroup>
 </Project>
-Original file line number
+Diff line change
@@ Expand Up / @@ -222,7 +222,7 @@ protected virtual void Dispose(Boolean disposing) @@
                     return;
                 }
-                lock (DisposalSyncRoot)
+                lock (DisposalSyncRoot ?? new Object())
                 {
                     if (IsDisposed)
                     {
@@ Expand Down @@