namespace System.Diagnostics
{
    [DefaultMember("Item")]
    public class ActivityTagsCollection : ICollection<KeyValuePair<string!, object?>>, IDictionary<string!, object?>, IEnumerable, IEnumerable<KeyValuePair<string!, object?>>
    {
        public struct Enumerator : IEnumerator, IEnumerator<KeyValuePair<string!, object?>>, IDisposable
        {
            public void Dispose();
        }
    }
}