Creates a new NotebookCellStatusBarItem.
The text to show for the item.
Whether the item is aligned to the left or right.
The text to show for the item.
Whether the item is aligned to the left or right.
A tooltip to show when the item is hovered.
The priority of the item. A higher value item will be shown more to the left.
Accessibility information used when a screen reader interacts with this item.
A contribution to a cell's status bar