@Override
	public int getNumSequentialFreePageMapPages() {
		return freePageMapNumSequentialPage;
	}
Returns the number of pages found in sequence that compose the {@link MsfFreePageMap}
(for this {@link Msf}) when on disk
@return the number of sequential pages in the {@link MsfFreePageMap}
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/msf/AbstractMsf.java