The shortcut key combination to test
true if a shortcut key combination is already in use, otherwise false
Add a new keyboard shortcut to the group. Passing a shortcut with empty shortcutKeys does not register it. Changing the shortcut keys will not change the shortcut if already set, the previous shortcut should be removed first.
Remove the shortcut by shortcut id.
An id of the shortcut to delete.
all registered shortcuts of the userscript.
An id of the shortcut to check.
true if a shortcut with specified id is already registered.
Methods for defining shortcuts.