@Override
	protected void dumpInternal(Writer writer, TaskMonitor monitor)
			throws IOException, CancelledException {
		for (C13FileChecksum checksum : fileChecksums) {
			monitor.checkCancelled();
			writer.write(checksum.toString());
			writer.write('\n');
		}
	}
Returns the C13 file checksum for the offset of the record in the checksum table
@param offset the offset of the record
@return the checksum or null if record not found
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/FileChecksumsC13Section.java