docs: public StartGameSessionPlacementRequest withDesiredPlayerSessions(DesiredPlayerSession... desiredPlayerSessions) {
          if (this.desiredPlayerSessions == null) {
              setDesiredPlayerSessions(new java.util.ArrayList<DesiredPlayerSession>(desiredPlayerSessions.length));
          }
          for (DesiredPlayerSession ele : desiredPlayerSessions) {
              this.desiredPlayerSessions.add(ele);
          }
          return this;
      }