public String getReservedElasticsearchInstanceOfferingId() {
        return this.reservedElasticsearchInstanceOfferingId;
    }
<p>
The offering identifier filter value. Use this parameter to show only the available offering that matches the
specified reservation identifier.
</p>

@return The offering identifier filter value. Use this parameter to show only the available offering that matches
        the specified reservation identifier.
aws-java-sdk-elasticsearch/src/main/java/com/amazonaws/services/elasticsearch/model/DescribeReservedElasticsearchInstanceOfferingsRequest.java