public void fieldOptionsChanged(Options options, String optionName, Object oldValue,
			Object newValue) {
		// for subclasses
	}
Notifications that the field options changed.
@param options the Field Options object that changed.
@param optionName the name of the property that changed.
@param oldValue the old value of the property.
@param newValue the new value of the property.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/FieldFactory.java