code: protected void decrOriginalSegmentLoad(int index) {
          try {
              long address = getAddress(index);
              int segPos = _addressFormat.getOffset(address);
              int segInd = _addressFormat.getSegment(address);
              int length = _addressFormat.getDataSize(address);
              
              if (segPos >= Segment.dataStartPosition) {
                  // get data segment
                  Segment seg = _segmentManager.getSegment(segInd);
                  
                  // read data length
                  if(seg != null) seg.decrLoadSize(4 + ((length == 0) ? seg.readInt(segPos) : length));
              }
          }
          catch(IOException e1) {}
          catch(IndexOutOfBoundsException e2) {}
      }
docs: Decrease the load factor of a Segment based on the specified array index.
  
  @param index - the array index.