hollow/src/main/java/com/netflix/hollow/core/memory/SegmentedByteArray.java
public void set(long index, byte value) {
        int segmentIndex = (int)(index >> log2OfSegmentSize);
        ensureCapacity(segmentIndex);
        segments[segmentIndex][(int)(index & bitmask)] = value;
    }
public void set(long index, byte value) {
        int segmentIndex = (int)(index >> log2OfSegmentSize);
        ensureCapacity(segmentIndex);
        segments[segmentIndex][(int)(index & bitmask)] = value;
    }
Set the byte at the given index to the specified value
@param index the index
@param value the byte value