private void registerAction(Action action, KeyStroke keyStroke, String[] prefixValues) {
		for (String properyPrefix : prefixValues) {
			UIDefaults defaults = UIManager.getDefaults();
			Object object = defaults.get(properyPrefix + ".focusInputMap");
			InputMap inputMap = (InputMap) object;
			inputMap.put(keyStroke, action);
		}
	}
Allows you to globally set the font size (don't use this method!)
Ghidra/Framework/Gui/src/main/java/generic/theme/laf/LookAndFeelManager.java