deactivate() {
			if (!this._isActive) {
				return;
			}
			this._isActive = false;
			document.removeEventListener("focusin", init);
			document.removeEventListener("focusout", init);
		}
Deactivates the keyboard interaction information gathering
This methods stops listening focusin and focusout events, effectively stopping the collection
of the keyboard interaction information.

@private