code: public void setMatchedPlayerSessions(java.util.Collection<MatchedPlayerSession> matchedPlayerSessions) {
          if (matchedPlayerSessions == null) {
              this.matchedPlayerSessions = null;
              return;
          }
  
          this.matchedPlayerSessions = new java.util.ArrayList<MatchedPlayerSession>(matchedPlayerSessions);
      }
docs: <p>
  Collection of player session IDs, one for each player ID that was included in the original matchmaking request.
  </p>
  
  @param matchedPlayerSessions
  Collection of player session IDs, one for each player ID that was included in the original matchmaking
  request.