code: public DescribeLoadBalancerPolicyTypesRequest withPolicyTypeNames(String... policyTypeNames) {
          if (this.policyTypeNames == null) {
              setPolicyTypeNames(new com.amazonaws.internal.SdkInternalList<String>(policyTypeNames.length));
          }
          for (String ele : policyTypeNames) {
              this.policyTypeNames.add(ele);
          }
          return this;
      }
docs: <p>
  The names of the policy types. If no names are specified, describes all policy types defined by Elastic Load
  Balancing.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setPolicyTypeNames(java.util.Collection)} or {@link #withPolicyTypeNames(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param policyTypeNames
  The names of the policy types. If no names are specified, describes all policy types defined by Elastic
  Load Balancing.
  @return Returns a reference to this object so that method calls can be chained together.