protected SetOfIntegerSyntax(int lowerBound, int upperBound)
protected SetOfIntegerSyntax(int member)
  protected SetOfIntegerSyntax(int lowerBound, int upperBound)  {    // We only want to reject non-null ranges where lower<0.    if (lowerBound <= upperBound        && lowerBound < 0)      throw new IllegalArgumentException();    members = (lowerBound <= upperBound ? new int[][]{{lowerBound, upperBound}}                                        : new int[0][]);  }