code: public void setFleets(java.util.Collection<FleetData> fleets) {
          if (fleets == null) {
              this.fleets = null;
              return;
          }
  
          this.fleets = new com.amazonaws.internal.SdkInternalList<FleetData>(fleets);
      }
docs: <p>
  Information about the EC2 Fleets.
  </p>
  
  @param fleets
  Information about the EC2 Fleets.