Returns whether the provided block or bubble would be deleted if dropped on this area. This method should check if the element is deletable and is always called before onDragEnter/onDragOver/onDragExit.
wouldDelete(element: IDraggable, couldConnect: boolean): boolean;
|element||IDraggable||The block or bubble currently being dragged.|
|couldConnect||boolean||Whether the element could could connect to another.|
Whether the element provided would be deleted if dropped on this area.