public String getStorageType() {
        return this.storageType;
    }
<p>
The storage type to associate with the read replica.
</p>
<p>
If you specify <code>io1</code>, <code>io2</code>, or <code>gp3</code>, you must also include a value for the
<code>Iops</code> parameter.
</p>
<p>
Valid Values: <code>gp2 | gp3 | io1 | io2 | standard</code>
</p>
<p>
Default: <code>io1</code> if the <code>Iops</code> parameter is specified. Otherwise, <code>gp2</code>.
</p>

@return The storage type to associate with the read replica.</p>
        <p>
        If you specify <code>io1</code>, <code>io2</code>, or <code>gp3</code>, you must also include a value for
        the <code>Iops</code> parameter.
        </p>
        <p>
        Valid Values: <code>gp2 | gp3 | io1 | io2 | standard</code>
        </p>
        <p>
        Default: <code>io1</code> if the <code>Iops</code> parameter is specified. Otherwise, <code>gp2</code>.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CreateDBInstanceReadReplicaRequest.java