Avalonia/src/Avalonia.Base/Platform/IPlatformRenderInterfaceRegion.cs

using System;
using System.Collections.Generic;
using Avalonia.Metadata;

namespace Avalonia.Platform;

[Unstable, PrivateApi]
public interface IPlatformRenderInterfaceRegion : IDisposable
{
    void AddRect(LtrbPixelRect rect);
    void Reset();
    bool IsEmpty { get; }
    LtrbPixelRect Bounds { get; }
    IList<LtrbPixelRect> Rects { get; }
    bool Intersects(LtrbRect rect);
    bool Contains(Point pt);
}