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

        this.replicaOutpostArns = new com.amazonaws.internal.SdkInternalList<String>(replicaOutpostArns);
    }
<p>
The outpost ARN of the node replicas.
</p>

@param replicaOutpostArns
       The outpost ARN of the node replicas.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/NodeGroupConfiguration.java