public java.util.List<String> getReplicationGroupIds() {
        if (replicationGroupIds == null) {
            replicationGroupIds = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return replicationGroupIds;
    }
<p>
The replication group IDs
</p>

@return The replication group IDs
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/BatchApplyUpdateActionRequest.java