code: public void setReservedElasticsearchInstances(java.util.Collection<ReservedElasticsearchInstance> reservedElasticsearchInstances) {
          if (reservedElasticsearchInstances == null) {
              this.reservedElasticsearchInstances = null;
              return;
          }
  
          this.reservedElasticsearchInstances = new java.util.ArrayList<ReservedElasticsearchInstance>(reservedElasticsearchInstances);
      }
docs: <p>
  List of reserved Elasticsearch instances.
  </p>
  
  @param reservedElasticsearchInstances
  List of reserved Elasticsearch instances.