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