An Adobe Commerce developer has been asked to modify the PageBuilder slider content type to allow a new custom content type (other than slide ) to be assigned as a child. The developer has already created the new content type called improved.slider_slide their module. They now need to create a new view/adminhtml/pagebuilder/content_type/slider.xml file in their module to allow the new content type to be a child of slider content types.
What is the correct xml to accomplish this?
A)

B)

C)