wantResult: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}`,
			withJSON: `{"request":{"uri":"/1","header":{"User-Agent":"test"}}}
{"request":{"uri":"/2","header":{}}}`,
		},
		{
			name:       "is-not-missing",
			query:      `select * from s3object[*] as s where s.request.header['User-Agent'] is not missing`,

        {
          "cluster": {
            "@type": "type.googleapis.com/envoy.config.cluster.v3.Cluster",
            "name": "agent",
            "type": "STATIC",
            "connect_timeout": "0.250s",
            "load_assignment": {
              "cluster_name": "agent",
              "endpoints": [
                {
                  "lb_endpoints": [
                    {
                      "endpoint": {

// Excerpts from @lsegal - https://github.com/aws/aws-sdk-js/issues/659#issuecomment-120477258
//
//	User-Agent:
//
//	    This is ignored from signing because signing this causes problems with generating pre-signed URLs
//	    (that are executed by other agents) or when customers pass requests through proxies, which may
//	    modify the user-agent.
//
//	Authorization:
//
//	    Is skipped for obvious reasons

    }

    default String getUserAgentName() {
        return getSystemProperty(Constants.CRAWLING_USER_AGENT_PROPERTY, Constants.CRAWLING_USER_AGENT_PREFIX
                + ComponentUtil.getSystemHelper().getProductVersion() + Constants.CRAWLING_USER_AGENT_SUFFIX);
    }

    default void setLtrModelName(final String value) {
        setSystemProperty(Constants.LTR_MODEL_NAME_PROPERTY, value);

                },
                {
                    "endpoint_config": {
                        "@type": "type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment",
                        "cluster_name": "agent",
                        "endpoints": [
                            {
                                "locality": {},
                                "lb_endpoints": [
                                    {

                                }...

                                }...

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