public String getIndexRotationPeriod() {
        return this.indexRotationPeriod;
    }
<p>
The Amazon OpenSearch Service index rotation period. Index rotation appends a timestamp to the IndexName to
facilitate the expiration of old data.
</p>

@return The Amazon OpenSearch Service index rotation period. Index rotation appends a timestamp to the IndexName
        to facilitate the expiration of old data.
@see AmazonopensearchserviceIndexRotationPeriod
aws-java-sdk-kinesis/src/main/java/com/amazonaws/services/kinesisfirehose/model/AmazonopensearchserviceDestinationConfiguration.java