Import elements sample of automatic imported MSBuild target in .csproj file

MSBuildTasks.ImportTasks.Test.csproj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Import Project="..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.props" Condition="Exists('..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.props')" />
  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
  <PropertyGroup>
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
    <ProjectGuid>{DA3EEADE-29E4-4D57-B377-D8FA046E26C1}</ProjectGuid>
    <OutputType>Library</OutputType>
    <AppDesignerFolder>Properties</AppDesignerFolder>
    <RootNamespace>MSBuildTasks.ImportTasks.Test</RootNamespace>
    <AssemblyName>MSBuildTasks.ImportTasks.Test</AssemblyName>
    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
    <FileAlignment>512</FileAlignment>
    <NuGetPackageImportStamp>5baaed08</NuGetPackageImportStamp>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
    <DebugSymbols>true</DebugSymbols>
    <DebugType>full</DebugType>
    <Optimize>false</Optimize>
    <OutputPath>bin\Debug\</OutputPath>
    <DefineConstants>DEBUG;TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
    <DebugType>pdbonly</DebugType>
    <Optimize>true</Optimize>
    <OutputPath>bin\Release\</OutputPath>
    <DefineConstants>TRACE</DefineConstants>
    <ErrorReport>prompt</ErrorReport>
    <WarningLevel>4</WarningLevel>
  </PropertyGroup>
  <ItemGroup>
    <Reference Include="System" />
  </ItemGroup>
  <ItemGroup>
    <Folder Include="Properties\" />
  </ItemGroup>
  <ItemGroup>
    <None Include="build\MSBuildTasks.ImportedTask.props" />
    <None Include="build\MSBuildTasks.ImportedTask.targets" />
    <None Include="packages.config" />
  </ItemGroup>
  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
    <PropertyGroup>
      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
    </PropertyGroup>
    <Error Condition="!Exists('..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.props'))" />
    <Error Condition="!Exists('..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.targets'))" />
  </Target>
  <Import Project="..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.targets" Condition="Exists('..\..\packages\MSBuildTasks.ImportTasks.0.1.0.0\build\MSBuildTasks.ImportTasks.targets')" />
  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
       Other similar extension points exist, see Microsoft.Common.targets.
  <Target Name="BeforeBuild">
  </Target>
  <Target Name="AfterBuild">
  </Target>
  -->
</Project>

https://github.com/tmori3y2/BlogSamples/blob/Article_20160321/NuGetPackages/MSBuildTasks/MSBuildTasks.ImportTasks.Test/MSBuildTasks.ImportTasks.Test.csproj