<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <StaticResource x:Key="HeaderedContentControlCornerRadius" ResourceKey="SemiBorderRadiusMedium" />
    <StaticResource x:Key="HeaderedContentControlBorderThickness" ResourceKey="SemiBorderThicknessControl" />
    <StaticResource x:Key="HeaderedContentControlHeaderFontWeight" ResourceKey="SemiFontWeightBold" />
    <StaticResource x:Key="HeaderedContentControlHeaderPadding" ResourceKey="SemiThicknessBaseLoose" />
    <StaticResource x:Key="HeaderedContentControlContentPadding" ResourceKey="SemiThicknessBaseLoose" />
</ResourceDictionary>