Page navigation via the keyboard.
Keystrokes: Arrow keys, Page Up, Page Down, Home, End.
In iframe mode, pagination keystrokes only fire from within the iframe.
Document printing.
Keystrokes: Cmd+P / Ctrl+P.
Redo the last undone document operation.
Keystrokes: Cmd+Shift+Z / Ctrl+Shift+Z.
In-document search.
Keystrokes: Cmd+F / Ctrl+F.
Undo the last document operation.
Keystrokes: Cmd+Z / Ctrl+Z.
Zoom controls (zoom in, zoom out, reset to auto-zoom).
Keystrokes: Cmd+= / Cmd+- / Cmd+0 (and the Ctrl equivalents).
Identifies a category of SDK keyboard shortcut for the purpose of
keyboardShortcutScope'sinterceptedActions. Each value corresponds to a group of keystrokes that the SDK can either intercept globally or restrict to viewer-only interaction.