code: @Override
  	public void setInterGroupBond(int indOne,
  			int indTwo, int bondOrder) {
  		// Get the atom
  		Atom atomOne = allAtoms[indOne];
  		Atom atomTwo = allAtoms[indTwo];
  		// set the new bond
  		@SuppressWarnings("unused")
  		BondImpl bond = new BondImpl(atomOne, atomTwo, bondOrder);
  	}
docs: /* (non-Javadoc)
  @see org.rcsb.mmtf.decoder.StructureDecoder
  Interface#setInterGroupBonds(int, int, int)