AuthorizationManagerImpl::~AuthorizationManagerImpl() {
    for (stdx::unordered_map<UserName, User*>::iterator it = _userCache.begin();
         it != _userCache.end();
         ++it) {
        fassert(17265, it->second != internalSecurity.user);
        delete it->second;
    }
}
AuthorizationManagerImpl::~AuthorizationManagerImpl() {
    for (stdx::unordered_map<UserName, User*>::iterator it = _userCache.begin();
         it != _userCache.end();
         ++it) {
        fassert(17265, it->second != internalSecurity.user);
        delete it->second;
    }
}