Avalonia/build/Base.props

<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <!-- '!NET6_0_OR_GREATER' equivalent -->
  <ItemGroup Condition="!('$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND $([MSBuild]::VersionGreaterThanOrEquals($(TargetFrameworkVersion), '6.0')))">
    <PackageReference Include="System.Memory" Version="4.5.5" />
  </ItemGroup>
  <ItemGroup Condition="!('$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND $([MSBuild]::VersionGreaterThanOrEquals($(TargetFrameworkVersion), '6.0')))">
    <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="6.0.0" />
  </ItemGroup>
  <ItemGroup Condition="!('$(TargetFrameworkIdentifier)' == '.NETCoreApp' AND $([MSBuild]::VersionGreaterThanOrEquals($(TargetFrameworkVersion), '8.0')))">
    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="8.0.1" />
  </ItemGroup>
</Project>