@Override
	public void markup(Program program, Address address, TaskMonitor monitor, MessageLog log) throws Exception {

		super.markup(program, address, monitor, log);

		if (isDirectory()) {
			if (fbpt != null) {
				fbpt.processFBPT(program, address.add(headerSize), monitor, log);
			}
		}
		else if (isFile()) {
			//unused, but leave as placeholder for future
		}
	}
Returns the FBPT.
Could be null if this partition is a FILE.
@return the FBPT
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/android/fbpk/v1/FBPKv1_Partition.java