rd-net/Lifetimes/Collections/Viewable/AddUpdateRemove.cs

namespace JetBrains.Collections.Viewable
{
  /// <summary>
  /// Defines whether the event kind is <see cref="Add"/>, <see cref="Update"/> or <see cref="Remove"/>.
  /// </summary>
  public enum AddUpdateRemove
  {
    Add,
    Update,
    Remove
  }
}