code: public SearchGameSessionsResult withGameSessions(GameSession... gameSessions) {
          if (this.gameSessions == null) {
              setGameSessions(new java.util.ArrayList<GameSession>(gameSessions.length));
          }
          for (GameSession ele : gameSessions) {
              this.gameSessions.add(ele);
          }
          return this;
      }
docs: <p>
  Collection of objects containing game session properties for each session matching the request.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setGameSessions(java.util.Collection)} or {@link #withGameSessions(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param gameSessions
  Collection of objects containing game session properties for each session matching the request.
  @return Returns a reference to this object so that method calls can be chained together.