code: public void setTicketList(java.util.Collection<MatchmakingTicket> ticketList) {
          if (ticketList == null) {
              this.ticketList = null;
              return;
          }
  
          this.ticketList = new java.util.ArrayList<MatchmakingTicket>(ticketList);
      }
docs: <p>
  Collection of existing matchmaking ticket objects matching the request.
  </p>
  
  @param ticketList
  Collection of existing matchmaking ticket objects matching the request.