public DescribeHostReservationOfferingsResult withOfferingSet(HostOffering... offeringSet) {
        if (this.offeringSet == null) {
            setOfferingSet(new com.amazonaws.internal.SdkInternalList<HostOffering>(offeringSet.length));
        }
        for (HostOffering ele : offeringSet) {
            this.offeringSet.add(ele);
        }
        return this;
    }
<p>
Information about the offerings.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setOfferingSet(java.util.Collection)} or {@link #withOfferingSet(java.util.Collection)} if you want to
override the existing values.
</p>

@param offeringSet
       Information about the offerings.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeHostReservationOfferingsResult.java