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