code: public CancelSpotFleetRequestsResult withSuccessfulFleetRequests(CancelSpotFleetRequestsSuccessItem... successfulFleetRequests) {
          if (this.successfulFleetRequests == null) {
              setSuccessfulFleetRequests(new com.amazonaws.internal.SdkInternalList<CancelSpotFleetRequestsSuccessItem>(successfulFleetRequests.length));
          }
          for (CancelSpotFleetRequestsSuccessItem ele : successfulFleetRequests) {
              this.successfulFleetRequests.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the Spot Fleet requests that are successfully canceled.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSuccessfulFleetRequests(java.util.Collection)} or
  {@link #withSuccessfulFleetRequests(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param successfulFleetRequests
  Information about the Spot Fleet requests that are successfully canceled.
  @return Returns a reference to this object so that method calls can be chained together.