code: function processChatGroupSummary(groupSummary, preProcessed) {
  	if (!preProcessed) {
  		groupSummary = preProcessObject(groupSummary);
  	}
  
  	if (groupSummary.top_members) {
  		groupSummary.top_members = groupSummary.top_members.map(accountid => SteamID.fromIndividualAccountID(accountid));
  	}
  
  	return groupSummary;
  }
docs: Process a chat group summary.
  @param {object} groupSummary
  @param {boolean} [preProcessed=false]
  @returns {object}