code: public static <T extends Comparable<T>> RelationalOperator<T> lessThanOrGreaterThanEqualTo(T lowerBound, T upperBound) {
      return ComposableRelationalOperator.compose(lessThan(lowerBound), LogicalOperator.OR, greaterThanEqualTo(upperBound));
    }
docs: Gets the RelationalOperator performing less than or greater than equal to comparisons to determine whether all
  provided values are less than some upper bound value or possibly greater than equal to some lower bound value.
  
  @param lowerBound the Comparable lower upper bounded value.
  @param upperBound the Comparable upper lower bounded value.
  @param <T> the expected Class type for the object used in the less than or greater than equal to comparison.
  @return a RelationalOperator for the less than or greater than equal to comparison.