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use Rc;
use RefCell;
use ;
use crateBoundingBox;
/// #### Description
/// Base interface for every element in the tui
///
/// Note that most concrete widgets are stored as [Rc]<[RefCell]<dyn [Widget]>
/// so it can be helpful to have their constructors return such a value
///
/// #### Description
/// An interface for widgets that contain other widgets
///