code: public void setBackendServerDescriptions(java.util.Collection<BackendServerDescription> backendServerDescriptions) {
          if (backendServerDescriptions == null) {
              this.backendServerDescriptions = null;
              return;
          }
  
          this.backendServerDescriptions = new com.amazonaws.internal.SdkInternalList<BackendServerDescription>(backendServerDescriptions);
      }
docs: <p>
  Information about your EC2 instances.
  </p>
  
  @param backendServerDescriptions
  Information about your EC2 instances.