public void setItems(java.util.Collection<FunctionAssociation> items) {
        if (items == null) {
            this.items = null;
            return;
        }

        this.items = new com.amazonaws.internal.SdkInternalList<FunctionAssociation>(items);
    }
<p>
The CloudFront functions that are associated with a cache behavior in a CloudFront distribution. Your functions
must be published to the <code>LIVE</code> stage to associate them with a cache behavior.
</p>

@param items
       The CloudFront functions that are associated with a cache behavior in a CloudFront distribution. Your
       functions must be published to the <code>LIVE</code> stage to associate them with a cache behavior.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/FunctionAssociations.java