public void writeByte(long index, byte value) throws IOException {
        provider.writeByte(index, value);
    }
Writes the specified byte at the specified index.
@param index the index where the byte should be written
@param value the byte value to be written
@exception IOException if an I/O error occurs
GPL/DMG/src/dmg/java/mobiledevices/dmg/ghidra/GBinaryReader.java