docs: public boolean contains(int partitionId) {
          if (lowerID < upperID) { //"Proper" id range
              return lowerID <= partitionId && upperID > partitionId;
          } else { //Id range "wraps around"
              return (lowerID <= partitionId && partitionId < idUpperBound) ||
                      (upperID > partitionId && partitionId >= 0);
          }
      }