code: public DescribeFleetUtilizationResult withFleetUtilization(FleetUtilization... fleetUtilization) {
          if (this.fleetUtilization == null) {
              setFleetUtilization(new java.util.ArrayList<FleetUtilization>(fleetUtilization.length));
          }
          for (FleetUtilization ele : fleetUtilization) {
              this.fleetUtilization.add(ele);
          }
          return this;
      }
docs: <p>
  Collection of objects containing utilization information for each requested fleet ID.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setFleetUtilization(java.util.Collection)} or {@link #withFleetUtilization(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param fleetUtilization
  Collection of objects containing utilization information for each requested fleet ID.
  @return Returns a reference to this object so that method calls can be chained together.