code: protected void growChemSequenceArray() {
          growArraySize = chemSequences.length;
          IChemSequence[] newchemSequences = new ChemSequence[chemSequences.length + growArraySize];
          System.arraycopy(chemSequences, 0, newchemSequences, 0, chemSequences.length);
          chemSequences = newchemSequences;
      }
docs: Grows the ChemSequence array by a given size.
  
  @see    #growArraySize