public void setSourceDBClusterIdentifier(String sourceDBClusterIdentifier) {
        this.sourceDBClusterIdentifier = sourceDBClusterIdentifier;
    }
<p>
The identifier of the source DB cluster from which to restore.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must match the identifier of an existing DBCluster.
</p>
</li>
</ul>

@param sourceDBClusterIdentifier
       The identifier of the source DB cluster from which to restore.</p>
       <p>
       Constraints:
       </p>
       <ul>
       <li>
       <p>
       Must match the identifier of an existing DBCluster.
       </p>
       </li>
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/RestoreDBClusterToPointInTimeRequest.java