How to use the azure-kusto-ingest.IngestStatusQueues function in azure-kusto-ingest

new JsonColumnMapping("TargetColumn3", "$.sourceProp3")
    ],
    ingestionMappingType: IngestionMappingType.JSON,
    reportLevel: ReportLevel.FailuresAndSuccesses,
    reportMethod: ReportMethod.Queue

});

const ingestClient = new IngestClient(
    KustoConnectionStringBuilder.withAadApplicationKeyAuthentication(
        `https://ingest-${clusterName}.kusto.windows.net`, appId, appKey, authorityId
    ),
    props
);

const statusQueues = new IngestStatusQueues(ingestClient);

function waitForFailures() {
    statusQueues.failure.isEmpty((err, empty) => {
        if (err) throw new Error(err);

        if (empty) {
            console.log("no errors...");
            return setTimeout(waitForFailures, 1000);
        }
        else {
            statusQueues.failure.pop((err, failures) => {
                if (err) throw new Error(err);

                for (let failure of failures) {
                    console.log(JSON.stringify(failure));
                }