public void setPolicyTypeNames(java.util.Collection<String> policyTypeNames) {
        if (policyTypeNames == null) {
            this.policyTypeNames = null;
            return;
        }

        this.policyTypeNames = new com.amazonaws.internal.SdkInternalList<String>(policyTypeNames);
    }
<p>
The names of the policy types. If no names are specified, describes all policy types defined by Elastic Load
Balancing.
</p>

@param policyTypeNames
       The names of the policy types. If no names are specified, describes all policy types defined by Elastic
       Load Balancing.
aws-java-sdk-elasticloadbalancing/src/main/java/com/amazonaws/services/elasticloadbalancing/model/DescribeLoadBalancerPolicyTypesRequest.java