Page-level events for focus and blur transitions. These events are emitted when users navigate between pages.
Emitted when a page loses focus (is no longer the active page).
Emitted when a page gains focus (becomes the active page).
When applicable, whether the underlying file component supports multiple selections.
The page associated with this event.
The originating editor (if available for cell events).
Event type identifier (page.focus or page.blur).