message: Function to enqueue leaving users on MLS
diff: @@ -427,6 +427,14 @@ MemberListSyncer.prototype.getUsersWaitingToLeave = function() {
  return this._usersToLeave;
  }
  +MemberListSyncer.prototype.addToLeavePool = function(userIds, roomId, channel) {
  + this._usersToLeave += 1;
  + this._leaveQueuePool.enqueue(roomId + " " + channel, {
  + roomId,
  + userIds
  + });
  +}
  +
  function getRoomMemberData(server, roomId, stateEvents, appServiceUserId) {
  stateEvents = stateEvents || [];
  var data = {
  