@Override
	public ProgramLocation getProgramLocation(int row, int col, ListingField bf) {
		Object obj = bf.getProxy().getObject();
		if (!(obj instanceof Data)) {
			return null;
		}
		Data data = (Data) obj;
		return new IndentFieldLocation(data.getProgram(), data.getMinAddress(),
			data.getComponentPath());
	}
@see ghidra.app.util.viewer.field.FieldFactory#getProgramLocation(int, int, ghidra.app.util.viewer.field.ListingField)
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/OpenCloseFieldFactory.java