def METHOD_NAME(manifest):
    parameter_values = get_template_parameter_values()
    output_fragment = transform(manifest, parameter_values, mock_policy_loader)
    print(json.dumps(output_fragment, indent=2))
    deployment_ids = set()
    for key, value in output_fragment["Resources"].items():
        if value["Type"] == "AWS::ApiGateway::Deployment":
            deployment_ids.add(key)
    return deployment_ids