code: public DescribeLoadBalancerPoliciesResult withPolicyDescriptions(PolicyDescription... policyDescriptions) {
          if (this.policyDescriptions == null) {
              setPolicyDescriptions(new com.amazonaws.internal.SdkInternalList<PolicyDescription>(policyDescriptions.length));
          }
          for (PolicyDescription ele : policyDescriptions) {
              this.policyDescriptions.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the policies.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPolicyDescriptions(java.util.Collection)} or {@link #withPolicyDescriptions(java.util.Collection)} if
  you want to override the existing values.
  </p>
  
  @param policyDescriptions
  Information about the policies.
  @return Returns a reference to this object so that method calls can be chained together.