public java.util.List<String> getReplicaOutpostArns() {
        if (replicaOutpostArns == null) {
            replicaOutpostArns = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return replicaOutpostArns;
    }
<p>
The outpost ARN of the node replicas.
</p>

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