System.Linq by Microsoft

<PackageReference Include="System.Linq" Version="4.3.0" />

 System.Linq 4.3.0

Provides classes and interfaces that supports queries that use Language-Integrated Query (LINQ). Commonly Used Types: System.Linq.Enumerable System.Linq.IGrouping<TKey, TElement> System.Linq.IOrderedEnumerable<TElement> System.Linq.ILookup<TKey, TElement> System.Linq.Lookup<TKey, TElement> When using NuGet 3.x this package requires at least version 3.4.

<package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
  <metadata minClientVersion="2.12">
    <id>System.Linq</id>
    <version>4.3.0</version>
    <title>System.Linq</title>
    <authors>Microsoft</authors>
    <owners>microsoft,dotnetframework</owners>
    <requireLicenseAcceptance>true</requireLicenseAcceptance>
    <licenseUrl>http://go.microsoft.com/fwlink/?LinkId=329770</licenseUrl>
    <projectUrl>https://dot.net/</projectUrl>
    <iconUrl>http://go.microsoft.com/fwlink/?LinkID=288859</iconUrl>
    <description>Provides classes and interfaces that supports queries that use Language-Integrated Query (LINQ).

Commonly Used Types:
System.Linq.Enumerable
System.Linq.IGrouping&lt;TKey, TElement&gt;
System.Linq.IOrderedEnumerable&lt;TElement&gt;
System.Linq.ILookup&lt;TKey, TElement&gt;
System.Linq.Lookup&lt;TKey, TElement&gt;
 
When using NuGet 3.x this package requires at least version 3.4.</description>
    <releaseNotes>https://go.microsoft.com/fwlink/?LinkID=799421</releaseNotes>
    <copyright>© Microsoft Corporation.  All rights reserved.</copyright>
    <serviceable>true</serviceable>
    <dependencies>
      <group targetFramework="MonoAndroid1.0" />
      <group targetFramework="MonoTouch1.0" />
      <group targetFramework=".NETFramework4.5" />
      <group targetFramework=".NETFramework4.6.3" />
      <group targetFramework=".NETCore5.0">
        <dependency id="System.Collections" version="4.3.0" />
        <dependency id="System.Diagnostics.Debug" version="4.3.0" exclude="Compile" />
        <dependency id="System.Resources.ResourceManager" version="4.3.0" exclude="Compile" />
        <dependency id="System.Runtime" version="4.3.0" />
        <dependency id="System.Runtime.Extensions" version="4.3.0" exclude="Compile" />
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        <dependency id="System.Runtime" version="4.3.0" />
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        <dependency id="System.Runtime.Extensions" version="4.3.0" exclude="Compile" />
      </group>
      <group targetFramework=".NETPortable0.0-Profile259" />
      <group targetFramework="Windows8.0" />
      <group targetFramework="WindowsPhone8.0" />
      <group targetFramework="WindowsPhoneApp8.1" />
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      <group targetFramework="Xamarin.Mac2.0" />
      <group targetFramework="Xamarin.TVOS1.0" />
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    <frameworkAssemblies>
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