code: public void setReservedElasticsearchInstanceOfferings(java.util.Collection<ReservedElasticsearchInstanceOffering> reservedElasticsearchInstanceOfferings) {
          if (reservedElasticsearchInstanceOfferings == null) {
              this.reservedElasticsearchInstanceOfferings = null;
              return;
          }
  
          this.reservedElasticsearchInstanceOfferings = new java.util.ArrayList<ReservedElasticsearchInstanceOffering>(reservedElasticsearchInstanceOfferings);
      }
docs: <p>
  List of reserved Elasticsearch instance offerings
  </p>
  
  @param reservedElasticsearchInstanceOfferings
  List of reserved Elasticsearch instance offerings