anchor.diff:              true
       end.
   
  --spec add_role(domain(), uid(), rolelocation()) -> {ok, updated} | erlang:throw({error, not_found}).
  +-spec add_role(domain(), uid(), {role(), meeting_id()}) -> {ok, updated} | erlang:throw({error, not_found}).
   add_role(Domain, Uid, {Role, Location}) ->
       % Just ensure the role and location exists
       case uce_meeting:exists(Domain, Location) of
  
positive.code:             throw({error, not_found})
      end.
  
  -spec delete_role(domain(), uid(), rolelocation()) -> {ok, updated} | erlang:throw({error, not_found}).
  delete_role(Domain, Id, {Role, Location}) ->
      {ok, User} = get(Domain, Id),
      Roles = case lists:member({Role, Location}, User#uce_user.roles) of
  
negative.code: -behaviour(gen_server).
  
  -include("uce.hrl").
  
  %
  % Public api
  