<PackageReference Include="Microsoft.Packaging.Tools" Version="1.0.0-preview1-25301-01" />

System.Collections.Generic.CollectionExtensions

public static class CollectionExtensions
public static IEnumerable<string> GetDefaultAssets(this IEnumerable<RuntimeAssetGroup> self)

public static IEnumerable<string> GetRuntimeAssets(this IEnumerable<RuntimeAssetGroup> self, string runtime)

public static RuntimeAssetGroup GetRuntimeGroup(this IEnumerable<RuntimeAssetGroup> self, string runtime)