public String getDBSnapshotIdentifier() {
        return this.dBSnapshotIdentifier;
    }
<p>
The identifier for the DB snapshot to restore from.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
Must match the identifier of an existing DB snapshot.
</p>
</li>
<li>
<p>
Can't be specified when <code>DBClusterSnapshotIdentifier</code> is specified.
</p>
</li>
<li>
<p>
Must be specified when <code>DBClusterSnapshotIdentifier</code> isn't specified.
</p>
</li>
<li>
<p>
If you are restoring from a shared manual DB snapshot, the <code>DBSnapshotIdentifier</code> must be the ARN of
the shared DB snapshot.
</p>
</li>
</ul>

@return The identifier for the DB snapshot to restore from.</p>
        <p>
        Constraints:
        </p>
        <ul>
        <li>
        <p>
        Must match the identifier of an existing DB snapshot.
        </p>
        </li>
        <li>
        <p>
        Can't be specified when <code>DBClusterSnapshotIdentifier</code> is specified.
        </p>
        </li>
        <li>
        <p>
        Must be specified when <code>DBClusterSnapshotIdentifier</code> isn't specified.
        </p>
        </li>
        <li>
        <p>
        If you are restoring from a shared manual DB snapshot, the <code>DBSnapshotIdentifier</code> must be the
        ARN of the shared DB snapshot.
        </p>
        </li>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/RestoreDBInstanceFromDBSnapshotRequest.java