public String getDBClusterSnapshotIdentifier() {
        return this.dBClusterSnapshotIdentifier;
    }
<p>
A specific DB cluster snapshot identifier to describe. This parameter can't be used in conjunction with the
<code>DBClusterIdentifier</code> parameter. This value is stored as a lowercase string.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
If supplied, must match the identifier of an existing DBClusterSnapshot.
</p>
</li>
<li>
<p>
If this identifier is for an automated snapshot, the <code>SnapshotType</code> parameter must also be specified.
</p>
</li>
</ul>

@return A specific DB cluster snapshot identifier to describe. This parameter can't be used in conjunction with
        the <code>DBClusterIdentifier</code> parameter. This value is stored as a lowercase string.</p>
        <p>
        Constraints:
        </p>
        <ul>
        <li>
        <p>
        If supplied, must match the identifier of an existing DBClusterSnapshot.
        </p>
        </li>
        <li>
        <p>
        If this identifier is for an automated snapshot, the <code>SnapshotType</code> parameter must also be
        specified.
        </p>
        </li>
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/DescribeDBClusterSnapshotsRequest.java