defer store.unlock()

	// Load existing policy mapping
	var mp MappedPolicy
	if !isGroup {
		if userType == stsUser {
			stsMap := xsync.NewMapOf[string, MappedPolicy]()

			// Attempt to load parent user mapping for STS accounts
			store.loadMappedPolicy(context.TODO(), name, stsUser, false, stsMap)

			mp, _ = stsMap.Load(name)
		} else {
			mp, _ = cache.iamUserPolicyMap.Load(name)
		}

	var basePrefix string
	switch userType {
	case svcUser:
		basePrefix = iamConfigServiceAccountsPrefix
	case stsUser:
		basePrefix = iamConfigSTSPrefix
	default:
		basePrefix = iamConfigUsersPrefix
	}

	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

                // Return roles with duplicates
                String[] roles = new String[] { "role1", "role2", "role1", "Uuser", "role2" };
                callback.accept(roles);
                return roles;
            }

            @Override
            public String normalizePermissionName(String name) {

		var oldDN string
		if isGroup {
			oldDN = r.Group
		} else {
			oldDN = r.User
		}
		if oldDN != dn {
			sys.store.PolicyDBUpdate(ctx, oldDN, isGroup, stsUser, r.Policies, isAttach)
		}
	}

	userType := stsUser
	updatedAt, addedOrRemoved, effectivePolicies, err = sys.store.PolicyDBUpdate(
		ctx, dn, isGroup, userType, r.Policies, isAttach)
	if err != nil {
		return
	}

func (ies *IAMEtcdStore) loadUsers(ctx context.Context, userType IAMUserType, m map[string]UserIdentity) error {
	var basePrefix string
	switch userType {
	case svcUser:
		basePrefix = iamConfigServiceAccountsPrefix
	case stsUser:
		basePrefix = iamConfigSTSPrefix
	default:
		basePrefix = iamConfigUsersPrefix
	}

	cctx, cancel := context.WithTimeout(ctx, defaultContextTimeout)
	defer cancel()

def main(user_id: str):
    return user_id


# A Pydantic model
class User(BaseModel):
    id: int
    name: str
    joined: date
```

That can then be used like:

```Python
my_user: User = User(id=3, name="John Doe", joined="2018-07-19")

second_user_data = {
    "id": 4,
    "name": "Mary",
    "joined": "2018-11-30",
}

my_second_user: User = User(**second_user_data)
```

	userType := IAMUserType(mapping.UserType)
	isGroup := mapping.IsGroup
	entityName := mapping.UserOrGroup

	if globalIAMSys.GetUsersSysType() == LDAPUsersSysType && userType == stsUser {
		// Validate that the user or group exists in LDAP and use the normalized
		// form of the entityName (which will be an LDAP DN).
		var err error
		if isGroup {
			var foundGroupDN *xldap.DNSearchResult

		if err != nil {
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}
	}

	userType := regUser
	if globalIAMSys.GetUsersSysType() == LDAPUsersSysType {
		userType = stsUser

		// Validate that the user or group exists in LDAP and use the normalized
		// form of the entityName (which will be an LDAP DN).
		var err error
		if isGroup {
			var foundGroupDN *xldap.DNSearchResult