src/System.Private.CoreLib/shared/System/IProgress.cs


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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

namespace System
{
    /// <summary>Defines a provider for progress updates.</summary>
    /// <typeparam name="T">The type of progress update value.</typeparam>
    public interface IProgress<in T>
    {
        /// <summary>Reports a progress update.</summary>
        /// <param name="value">The value of the updated progress.</param>
        void Report(T value);
    }
}