public void setTargetDBInstanceIdentifier(String targetDBInstanceIdentifier) {
        this.targetDBInstanceIdentifier = targetDBInstanceIdentifier;
    }
<p>
The name of the instance to promote to the primary instance.
</p>
<p>
You must specify the instance identifier for an Read Replica in the DB cluster. For example,
<code>mydbcluster-replica1</code>.
</p>

@param targetDBInstanceIdentifier
       The name of the instance to promote to the primary instance.</p>
       <p>
       You must specify the instance identifier for an Read Replica in the DB cluster. For example,
       <code>mydbcluster-replica1</code>.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/FailoverDBClusterRequest.java