<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <StaticResource x:Key="SplitButtonIconGlyph" ResourceKey="SemiIconTreeTriangleDown" />
    <x:Double x:Key="SplitButtonSeparatorWidth">1</x:Double>
</ResourceDictionary>