Although YOOtheme's documentation says to store customizations in Widgetkit 2.x:
Place your custom content provider in THEME-NAME/widgetkit/content/PROVIDER-NAME/
Place your custom widget plugin in THEME-NAME/widgetkit/widgets/WIDGETPLUGIN-NAME/
It does not explain WHERE to get the original files to modify. In Widgetkit 1.5.x, they were in:
However, I just figured out that in Widgetkit 2.x, they are in:
As an example, to customize the GRID widgetkit, you would get
and place it into
However, if not on a YOOtheme template, you have to overwrite the actual file in
I verified with YOOtheme that you cannot do Widgetkit template overrides in non-Warp templates.
Hope that helps someone out.