code: public CollectionAssert hasSizeBetween(int lowerBound, int higherBound) {
  		isNotNull();
  		int size = size(this.actual);
  		if (!(size >= lowerBound && size <= higherBound)) {
  			failWithMessage("The size <%s> is not between <%s> and <%s>", size,
  					lowerBound, higherBound);
  		}
  		return this;
  	}
docs: Checks whether size is between the provided value.
  @param lowerBound - the collection should have size greater than or equal to this
  value
  @param higherBound - the collection should have size less than or equal to this
  value
  @return this