src/SMAPI/Framework/StateTracking/ICollectionWatcher.cs


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using System.Collections.Generic;

namespace StardewModdingAPI.Framework.StateTracking
{
    /// <summary>A watcher which tracks changes to a collection.</summary>
    internal interface ICollectionWatcher<out TValue> : IWatcher
    {
        /*********
        ** Accessors
        *********/
        /// <summary>The values added since the last reset.</summary>
        IEnumerable<TValue> Added { get; }

        /// <summary>The values removed since the last reset.</summary>
        IEnumerable<TValue> Removed { get; }
    }
}