code: public void setSecondaryStatusTransitions(java.util.Collection<SecondaryStatusTransition> secondaryStatusTransitions) {
          if (secondaryStatusTransitions == null) {
              this.secondaryStatusTransitions = null;
              return;
          }
  
          this.secondaryStatusTransitions = new java.util.ArrayList<SecondaryStatusTransition>(secondaryStatusTransitions);
      }
docs: <p>
  A history of all of the secondary statuses that the training job has transitioned through.
  </p>
  
  @param secondaryStatusTransitions
  A history of all of the secondary statuses that the training job has transitioned through.