code: public void setAutoScalingInstances(java.util.Collection<AutoScalingInstanceDetails> autoScalingInstances) {
          if (autoScalingInstances == null) {
              this.autoScalingInstances = null;
              return;
          }
  
          this.autoScalingInstances = new com.amazonaws.internal.SdkInternalList<AutoScalingInstanceDetails>(autoScalingInstances);
      }
docs: <p>
  The instances.
  </p>
  
  @param autoScalingInstances
  The instances.