private void clear() {
		this.removeAll();
		Iterator<ToolButton> it = toolButtonMap.values().iterator();
		while (it.hasNext()) {
			ToolButton tb = it.next();
			tb.dispose();
		}
		toolButtonMap.clear();

		if (tool.isVisible()) {
			tool.getToolFrame().validate();
		}
	}
ToolSet was added to the project toolchest
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/ProjectToolBar.java