System.Runtime by Microsoft

<PackageReference Include="System.Runtime" Version="4.0.20-beta-23109" />

 System.Runtime 4.0.20-beta-23109

Provides the fundamental primitives, classes and base classes that define commonly-used value and reference data types, events and event handlers, interfaces, attributes, and exceptions. This packages represents the core package, and provides the minimal set of types required to build a managed application. Commonly Used Types: System.Object System.Exception System.Int16 System.Int32 System.Int64 System.Enum System.String System.Char System.Boolean System.SByte System.Byte System.DateTime System.DateTimeOffset System.Single System.Double System.UInt16 System.UInt32 System.UInt64 System.IDisposable System.Uri

<package xmlns="http://schemas.microsoft.com/packaging/2013/01/nuspec.xsd">
  <metadata minClientVersion="3.0">
    <id>System.Runtime</id>
    <version>4.0.20-beta-23109</version>
    <title>System.Runtime</title>
    <authors>Microsoft</authors>
    <owners>microsoft,dotnetframework</owners>
    <licenseUrl>http://go.microsoft.com/fwlink/?LinkId=329770</licenseUrl>
    <iconUrl>http://go.microsoft.com/fwlink/?LinkID=288859</iconUrl>
    <requireLicenseAcceptance>true</requireLicenseAcceptance>
    <description>Provides the fundamental primitives, classes and base classes that define commonly-used value and reference data types, events and event handlers, interfaces, attributes, and exceptions. This packages represents the core package, and provides the minimal set of types required to build a managed application.

Commonly Used Types:
System.Object
System.Exception
System.Int16
System.Int32
System.Int64
System.Enum
System.String
System.Char
System.Boolean
System.SByte
System.Byte
System.DateTime
System.DateTimeOffset
System.Single
System.Double
System.UInt16
System.UInt32
System.UInt64
System.IDisposable
System.Uri</description>
    <copyright>© Microsoft Corporation.  All rights reserved.</copyright>
    <dependencies>
      <group targetFramework=".NETFramework4.6" />
      <group targetFramework="DNXCore5.0">
        <dependency id="System.Private.Uri" version="4.0.0-beta-23109" />
      </group>
      <group targetFramework=".NETCore5.0">
        <dependency id="System.Private.Uri" version="4.0.0-beta-23109" />
      </group>
    </dependencies>
  </metadata>
</package>