code: protected void newBondData() {
          bondCounter = 0;
          bondid = new ArrayList<String>();
          bondARef1 = new ArrayList<String>();
          bondARef2 = new ArrayList<String>();
          order = new ArrayList<String>();
          bondStereo = new ArrayList<String>();
          bondCustomProperty = new Hashtable<String, Map<String, String>>();
          bondDictRefs = new ArrayList<String>();
          bondElid = new ArrayList<String>();
          bondAromaticity = new ArrayList<Boolean>();
      }
docs: Clean all data about read bonds.