public java.util.List<DoubleRange> getStorageThroughputToIopsRatio() {
        if (storageThroughputToIopsRatio == null) {
            storageThroughputToIopsRatio = new com.amazonaws.internal.SdkInternalList<DoubleRange>();
        }
        return storageThroughputToIopsRatio;
    }
<p>
The valid range of storage throughput to provisioned IOPS ratios. For example, 0-0.25.
</p>

@return The valid range of storage throughput to provisioned IOPS ratios. For example, 0-0.25.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/ValidStorageOptions.java