com.unity.uiwidgets/com.unity.uiwidgets.devtools/Editor/v2/dependencies/nested/nested.mixin.njk

using Unity.UIWidgets.widgets;
using Unity.UIWidgets.foundation;

namespace Unity.UIWidgets.DevTools {
{% macro SingleChildWidgetMixin(with) %}
    {% set className = 'SingleChildWidgetMixin' + with %}
    public abstract class {{className}} : {{with}} {
        
        public SingleChildWidgetMixin{{with}}(Key key = null) : base(key: key){}
        
        public abstract override Element createElement();
    }
{% endmacro %}
{{ SingleChildWidgetMixin('StatelessWidget') }}
}