code: public DescribeElasticIpsRequest withIps(String... ips) {
          if (this.ips == null) {
              setIps(new com.amazonaws.internal.SdkInternalList<String>(ips.length));
          }
          for (String ele : ips) {
              this.ips.add(ele);
          }
          return this;
      }
docs: <p>
  An array of Elastic IP addresses to be described. If you include this parameter, <code>DescribeElasticIps</code>
  returns a description of the specified Elastic IP addresses. Otherwise, it returns a description of every Elastic
  IP address.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setIps(java.util.Collection)} or {@link #withIps(java.util.Collection)} if you want to override the
  existing values.
  </p>
  
  @param ips
  An array of Elastic IP addresses to be described. If you include this parameter,
  <code>DescribeElasticIps</code> returns a description of the specified Elastic IP addresses. Otherwise, it
  returns a description of every Elastic IP address.
  @return Returns a reference to this object so that method calls can be chained together.