API docs for this extension are included in the DataTable class.
Class extension providing the core API and structure for the DataTable Widget.
Use this class extension with Widget or another Base-based superclass to create the basic DataTable API and composing class structure.
Notable about this architecture is that rendering and UI event management for
the header, body, and footer of the table are deferred to configurable classes
footerView attributes. In this extension
they have no default values, requiring implementers to supply their own classes
to render the table content.