public AccessibleField createAccessibleField(int fieldNum) {
			int fieldNumInLayout = fieldNum - startingFieldNum;
			Field field = layout.getField(fieldNumInLayout);
			Rectangle fieldBounds = layout.getFieldBounds(fieldNumInLayout);
			return new AccessibleField(field, panel, fieldNum, fieldBounds);
		}
Creates the AccessibleField as needed.
@param fieldNum the number of the field to create an AccessibleField for. This number
is relative to all the fields in the field panel and not to this layout.
@return an AccessibleField for the given fieldNum
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/AccessibleFieldPanelDelegate.java