@Override
	public boolean isValidIndex(long index) {
		return 0 <= index && index < fileLength;
	}
Sets the {@link FSRL} of this {@link ByteProvider}

@param fsrl the {@link FSRL} to assign to this byte provider
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/RandomAccessByteProvider.java