@Override
	public byte getByte(int i) {
		int mainLength = main.getLength();
		if (i >= mainLength) {
			return extended.getByte(i - mainLength);
		}
		return main.getByte(i);
	}
Returns the overall length of sequence of available bytes. This will be the length of
the primary sequence as returned by {@link #getLength()} plus the length of the available
extended bytes, if any.
@return the
Ghidra/Features/Base/src/main/java/ghidra/features/base/memsearch/bytesequence/ExtendedByteSequence.java