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