@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("{");
        if (getStorageType() != null)
            sb.append("StorageType: ").append(getStorageType()).append(",");
        if (getStorageSize() != null)
            sb.append("StorageSize: ").append(getStorageSize()).append(",");
        if (getProvisionedIops() != null)
            sb.append("ProvisionedIops: ").append(getProvisionedIops()).append(",");
        if (getIopsToStorageRatio() != null)
            sb.append("IopsToStorageRatio: ").append(getIopsToStorageRatio()).append(",");
        if (getSupportsStorageAutoscaling() != null)
            sb.append("SupportsStorageAutoscaling: ").append(getSupportsStorageAutoscaling()).append(",");
        if (getProvisionedStorageThroughput() != null)
            sb.append("ProvisionedStorageThroughput: ").append(getProvisionedStorageThroughput()).append(",");
        if (getStorageThroughputToIopsRatio() != null)
            sb.append("StorageThroughputToIopsRatio: ").append(getStorageThroughputToIopsRatio());
        sb.append("}");
        return sb.toString();
    }
Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be
redacted from this string using a placeholder value.

@return A string representation of this object.

@see java.lang.Object#toString()
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/ValidStorageOptions.java