public java.util.List<String> getHostReservationIdSet() {
        if (hostReservationIdSet == null) {
            hostReservationIdSet = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return hostReservationIdSet;
    }
<p>
The host reservation IDs.
</p>

@return The host reservation IDs.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DescribeHostReservationsRequest.java