code: public void setFleets(java.util.Collection<Fleet> fleets) {
          if (fleets == null) {
              this.fleets = null;
              return;
          }
  
          this.fleets = new java.util.ArrayList<Fleet>(fleets);
      }
docs: <p>
  Information about the fleets.
  </p>
  
  @param fleets
  Information about the fleets.