private Element getToolFileXml() {
		if (!TOOL_FILE.exists()) {
			return null;
		}

		try (InputStream is = new FileInputStream(TOOL_FILE)) {
			SAXBuilder sax = XmlUtilities.createSecureSAXBuilder(false, false);
			return sax.build(is).getRootElement();
		}
		catch (IOException | JDOMException e) {
			Msg.showError(this, null, "Error", "Error reading front end configuration", e);
		}
		return null;
	}
Construct a new Ghidra Project Window.

@param pm project manager
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/FrontEndTool.java