FileBytes getLayeredFileBytes(long fileBytesID) throws IOException {
		List<FileBytes> allFileBytes = fileBytesAdapter.getAllFileBytes();
		for (FileBytes layeredFileBytes : allFileBytes) {
			if (layeredFileBytes.getId() == fileBytesID) {
				return layeredFileBytes;
			}
		}
		throw new IOException("No File Bytes found for ID: " + fileBytesID);
	}
Converts the given address range back from the source range back to the mapped range. NOTE:
It is important that the specified mappedSourceRange is restricted to the mapped source area
of the specified mappedBlock.

@param mappedBlock mapped memory block
@param mappedSourceRange source range which maps into mappedBlock.
@return mapped range or null if source range not mapped to block
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/mem/MemoryMapDB.java