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

        this.items = new com.amazonaws.internal.SdkInternalList<KGKeyPairIds>(items);
    }
<p>
A list of key groups, including the identifiers of the public keys in each key group that CloudFront can use to
verify the signatures of signed URLs and signed cookies.
</p>

@param items
       A list of key groups, including the identifiers of the public keys in each key group that CloudFront can
       use to verify the signatures of signed URLs and signed cookies.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/ActiveTrustedKeyGroups.java