<PackageReference Include="Microsoft.Packaging.Tools" Version="1.0.0-preview2-25401-01" />

System.Reflection.Metadata.FieldDefinitionHandleCollection

namespace System.Reflection.Metadata { public struct FieldDefinitionHandleCollection : IReadOnlyCollection<FieldDefinitionHandle>, IEnumerable<FieldDefinitionHandle>, IEnumerable { public struct Enumerator : IEnumerator<FieldDefinitionHandle>, IEnumerator, IDisposable { public FieldDefinitionHandle Current { get; } public bool MoveNext(); } public int Count { get; } public Enumerator GetEnumerator(); } }