private static void addAuthTypesToConnectionProvidersResponseDTO(
     ConnectionProvider connectionProvider, ConnectionProviderResponseDTO providerDTO) {
   // TODO: (@W) This needs some serious refactoring
   List<AuthTypeResponseDTO> authTypeResponseDTOList = new ArrayList<>();
   for (AuthType supportedAuthType : connectionProvider.getSupportedAuthTypes()) {
     AuthTypeResponseDTO.Builder authTypeDTOBuilder = new AuthTypeResponseDTO.Builder();
     authTypeDTOBuilder.type(supportedAuthType.toString());
     if (supportedAuthType.equals(AuthType.USERNAME_PASSWORD)) {
       authTypeDTOBuilder.usernameLabel(connectionProvider.getUsernameLabel());
       authTypeDTOBuilder.passwordLabel(connectionProvider.getPasswordLabel());
     }
     if (supportedAuthType.equals(AuthType.OAUTH)) {
       authTypeDTOBuilder.oauthEndpoint(
           String.format(OAUTH_ENDPOINT_PATTERN, connectionProvider.getId()));
       authTypeDTOBuilder.commandLabel("Connect to " + connectionProvider.getDisplayName());
     }
     authTypeResponseDTOList.add(authTypeDTOBuilder.build());
   }
   AuthTypeResponsesDTO authTypeResponsesDTO = new AuthTypeResponsesDTO();
   authTypeResponsesDTO.setAuthTypes(authTypeResponseDTOList);
   providerDTO.authTypes = authTypeResponsesDTO;
 }