code: public DescribePublicIpv4PoolsRequest withPoolIds(String... poolIds) {
          if (this.poolIds == null) {
              setPoolIds(new com.amazonaws.internal.SdkInternalList<String>(poolIds.length));
          }
          for (String ele : poolIds) {
              this.poolIds.add(ele);
          }
          return this;
      }
docs: <p>
  The IDs of the address pools.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPoolIds(java.util.Collection)} or {@link #withPoolIds(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param poolIds
  The IDs of the address pools.
  @return Returns a reference to this object so that method calls can be chained together.