@Override
	public void actionPerformed(ActionContext context) {
		// rely on the individual actions to navigate, as they know them item that is being
		// navigated to, allowing them to skip through the list
		List<DockingActionIf> actions = getActionList(context);
		DockingActionIf action = actions.get(0);
		action.actionPerformed(context);
		provider.contextChanged();
	}
An action to navigate backwards or forwards in the history of data types
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/NextPreviousDataTypeAction.java