},
		config.HelpKV{
			Key:         apiCorsAllowOrigin,
			Description: `set comma separated list of origins allowed for CORS requests` + defaultHelpPostfix(apiCorsAllowOrigin),
			Optional:    true,
			Type:        "csv",
		},
		config.HelpKV{
			Key:         apiRemoteTransportDeadline,

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidDataSource: {
		Code:           "InvalidDataSource",
		Description:    "Invalid data source type. Only CSV and JSON are supported at this time.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidExpressionType: {
		Code:           "InvalidExpressionType",

		// that involves a List() on a directory
		// where directory is actually an object on
		// namespace.
		for _, k := range []string{
			"_SUCCESS/",
			".parquet/",
			".csv/",
			".json/",
			".avro/",
			".orc/",
			".txt/",
			// Add any other files in future
		} {
			if strings.HasSuffix(prefix, k) {
				return true
			}
		}
		return false
	}

// ----------
// This implementation of the GET operation retrieves object content based
// on an SQL expression. In the request, along with the sql expression, you must
// also specify a data serialization format (JSON, CSV) of the object.
func (api objectAPIHandlers) SelectObjectContentHandler(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "SelectObject")

	defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))

			Type:        "sentence",
		},
	}

	HelpKafka = config.HelpKVS{
		config.HelpKV{
			Key:         target.KafkaBrokers,
			Description: "comma separated list of Kafka broker addresses",
			Type:        "csv",
		},
		config.HelpKV{
			Key:         target.KafkaTopic,
			Description: "Kafka topic used for bucket notifications",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{