Use ListEnabledBaselines with an AWS SDK

    /// <summary>
    /// List all enabled baselines.
    /// </summary>
    /// <returns>A list of enabled baseline summaries.</returns>
    public async Task<List<EnabledBaselineSummary>> ListEnabledBaselinesAsync()
    {
        try
        {
            var enabledBaselines = new List<EnabledBaselineSummary>();

            var enabledBaselinesPaginator = _controlTowerService.Paginators.ListEnabledBaselines(new ListEnabledBaselinesRequest());

            await foreach (var response in enabledBaselinesPaginator.Responses)
            {
                enabledBaselines.AddRange(response.EnabledBaselines);
            }

            return enabledBaselines;
        }
        catch (AmazonControlTowerException ex)
        {
            Console.WriteLine($"Couldn't list enabled baselines. Here's why: {ex.ErrorCode}: {ex.Message}");
            throw;
        }
    }

    /**
     * Lists all enabled baselines using pagination to retrieve complete results.
     *
     * @return a list of all enabled baselines
     * @throws ControlTowerException if a service-specific error occurs
     * @throws SdkException          if an SDK error occurs
     */
    public CompletableFuture<List<EnabledBaselineSummary>> listEnabledBaselinesAsync() {
        System.out.println("Starting list enabled baselines paginator…");

        ListEnabledBaselinesRequest request =
                ListEnabledBaselinesRequest.builder().build();

        ListEnabledBaselinesPublisher paginator =
                getAsyncClient().listEnabledBaselinesPaginator(request);

        List<EnabledBaselineSummary> enabledBaselines = new ArrayList<>();
        return paginator.subscribe(response -> {
                    if (response.enabledBaselines() != null
                            && !response.enabledBaselines().isEmpty()) {

                        response.enabledBaselines().forEach(baseline -> {
                            enabledBaselines.add(baseline);
                        });
                    } else {
                        System.out.println("Page contained no enabled baselines.");
                    }
                })
                .thenRun(() ->
                        System.out.println(
                                "Successfully listed enabled baselines. Total: " +
                                        enabledBaselines.size()
                        )
                )
                .thenApply(v -> enabledBaselines)
                .exceptionally(ex -> {
                    Throwable cause = ex.getCause() != null ? ex.getCause() : ex;

                    if (cause instanceof ControlTowerException e) {
                        String errorCode = e.awsErrorDetails().errorCode();

                        if ("AccessDeniedException".equals(errorCode)) {
                            throw new CompletionException(
                                    "Access denied when listing enabled baselines: %s".formatted(e.getMessage()), e);
                        }

                        throw new CompletionException(
                                "Error listing enabled baselines: %s"
                                        .formatted(e.getMessage()),
                                e
                        );
                    }

                    if (cause instanceof SdkException) {
                        throw new CompletionException(
                                "SDK error listing enabled baselines: %s"
                                        .formatted(cause.getMessage()),
                                cause
                        );
                    }

                    throw new CompletionException(
                            "Failed to list enabled baselines",
                            cause
                    );
                });
    }

class ControlTowerWrapper:
    """Encapsulates AWS Control Tower and Control Catalog functionality."""

    def __init__(
        self, controltower_client: boto3.client, controlcatalog_client: boto3.client
    ):
        """
        :param controltower_client: A Boto3 Amazon ControlTower client.
        :param controlcatalog_client: A Boto3 Amazon ControlCatalog client.
        """
        self.controltower_client = controltower_client
        self.controlcatalog_client = controlcatalog_client

    @classmethod
    def from_client(cls):
        controltower_client = boto3.client("controltower")
        controlcatalog_client = boto3.client("controlcatalog")
        return cls(controltower_client, controlcatalog_client)


    def list_enabled_baselines(self):
        """
        Lists all enabled baselines.

        :return: List of enabled baselines.
        :raises ClientError: If the listing operation fails.
        """
        try:
            paginator = self.controltower_client.get_paginator("list_enabled_baselines")
            enabled_baselines = []
            for page in paginator.paginate():
                enabled_baselines.extend(page["enabledBaselines"])
            return enabled_baselines

        except ClientError as err:
            if err.response["Error"]["Code"] == "ResourceNotFoundException":
                logger.error("Target not found.")
            else:
                logger.error(
                    "Couldn't list enabled baselines. Here's why: %s: %s",
                    err.response["Error"]["Code"],
                    err.response["Error"]["Message"],
                )
            raise

    DATA lt_enabled_baselines TYPE /aws1/cl_cttenbdbaselinesumm=>tt_enabledbaselines.
    DATA lv_nexttoken TYPE /aws1/cttlstenbdbaselinesnex00.

    " List all enabled baselines using pagination
    DO.
      DATA(lo_output) = io_ctt->listenabledbaselines(
        iv_nexttoken = lv_nexttoken
      ).

      APPEND LINES OF lo_output->get_enabledbaselines( ) TO lt_enabled_baselines.

      lv_nexttoken = lo_output->get_nexttoken( ).
      IF lv_nexttoken IS INITIAL.
        EXIT.
      ENDIF.
    ENDDO.

    ot_enabled_baselines = lt_enabled_baselines.
    MESSAGE 'Listed enabled baselines successfully.' TYPE 'I'.