@Override
	public SortedMap<Long, Long> getOmapFromSource() {
		return omapFromSource;
	}
Returns the OMAP_FROM_SOURCE mapping of RVA to RVA
@return the omapFromSource or null if does not exist.
Ghidra/Features/PDB/src/test/java/ghidra/app/util/bin/format/pdb2/pdbreader/DummyDebugData.java