<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <StaticResource x:Key="SplitViewSeparatorBackground" ResourceKey="SemiColorBorder" />
    <StaticResource x:Key="SplitViewMaskBrush" ResourceKey="SemiColorOverlayBackground" />
    <StaticResource x:Key="SplitViewPaneBackground" ResourceKey="SemiColorBackground0" />
</ResourceDictionary>