private static void bidirectionalNonOverlap(ByteKeyRange left,ByteKeyRange right){
  bidirectionalOverlapHelper(left,right,false);
}

private static void bidirectionalNonOverlap ( ByteKeyRange left , ByteKeyRange right ) { bidirectionalOverlapHelper ( left , right , false ) ; }
tests that the two ranges do not overlap , passing each in as the first range in the comparison .
