code: public java.util.List<DeleteFleetErrorItem> getUnsuccessfulFleetDeletions() {
          if (unsuccessfulFleetDeletions == null) {
              unsuccessfulFleetDeletions = new com.amazonaws.internal.SdkInternalList<DeleteFleetErrorItem>();
          }
          return unsuccessfulFleetDeletions;
      }
docs: <p>
  Information about the EC2 Fleets that are not successfully deleted.
  </p>
  
  @return Information about the EC2 Fleets that are not successfully deleted.