public Boolean getIsStorageConfigUpgradeAvailable() {
        return this.isStorageConfigUpgradeAvailable;
    }
<p>
Indicates whether an upgrade is recommended for the storage file system configuration on the DB instance. To
migrate to the preferred configuration, you can either create a blue/green deployment, or create a read replica
from the DB instance. For more information, see <a href=
"https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_PIOPS.StorageTypes.html#USER_PIOPS.UpgradeFileSystem"
>Upgrading the storage file system for a DB instance</a>.
</p>

@return Indicates whether an upgrade is recommended for the storage file system configuration on the DB instance.
        To migrate to the preferred configuration, you can either create a blue/green deployment, or create a
        read replica from the DB instance. For more information, see <a href=
        "https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_PIOPS.StorageTypes.html#USER_PIOPS.UpgradeFileSystem"
        >Upgrading the storage file system for a DB instance</a>.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DBInstance.java