@Override
	public JButton doCreateButton() {
		multipleButton = new MultipleActionDockingToolbarButton(multiActionGenerator);
		if (currentState != null) {
			setButtonState(currentState);
		}

		return multipleButton;
	}
Add the supplied {@code ActionState}.

@param actionState the {@code ActionState} to add
Ghidra/Framework/Docking/src/main/java/docking/menu/MultiStateDockingAction.java