public StreamAndOffset getStreamOffsetForAbsoluteFileOffset(long fileOffset) {
		if (fileOffset < 0L || fileOffset > (long) numPages * pageSize) {
			return null;
		}
		for (int number = 0; number < streamTable.getNumStreams(); number++) {
			MsfStream s = getStream(number);
			Integer offset = s.getStreamOffsetForAbsoluteFileOffset(fileOffset);
			if (offset != null) {
				return new StreamAndOffset(number, offset);
			}
		}
		return null;
	}
Developer mechanism to locate stream and offset within the stream that contains the
absolute file offset
@param fileOffset the absolute file offset that we are trying to locate
@return the offset in the stream of the file offset or {@code null} if not in the stream
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/msf/AbstractMsf.java