public void issueWarning(String msg, String title) {
		JOptionPane.showMessageDialog(null, msg, title, JOptionPane.WARNING_MESSAGE);
	}
Displays any warning message.
@param msg the warning message to display.
@param title the title of the dialog to display.
Ghidra/Framework/Docking/src/main/java/docking/widgets/list/ListPanel.java