private JEditorPane getHTMLEditorPane(JHelpContentViewer contentViewer) {
		//
		// Intimate Knowledge - construction of the viewer:
		//
		// -BorderLayout
		// -JScrollPane
		// 		-Viewport
		//      	-JHEditorPane extends JEditorPane
		//
		//
		Component[] components = contentViewer.getComponents();
		JScrollPane scrollPane = (JScrollPane) components[0];
		JViewport viewport = scrollPane.getViewport();

		return (JEditorPane) viewport.getView();
	}
Construct a new GhidraHelpBroker.
@param hs java help set associated with this help broker
Ghidra/Framework/Help/src/main/java/help/GHelpBroker.java