public Boolean isUpgradeStorageConfig() {
        return this.upgradeStorageConfig;
    }
<p>
Whether to upgrade the storage file system configuration on the read replica. This option migrates the read
replica from the old storage file system layout to the preferred layout.
</p>

@return Whether to upgrade the storage file system configuration on the read replica. This option migrates the
        read replica from the old storage file system layout to the preferred layout.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CreateDBInstanceReadReplicaRequest.java