How to use the azure-storage.LinearRetryPolicyFilter function in azure-storage

private createBlobService(storageAccountOrConnectionString: string, storageAccessKey: string, host: any): BlobServiceAsync {
        if (!storageAccountOrConnectionString) {
            throw new Error('The storageAccountOrConnectionString parameter is required.');
        }

        const blobService: azure.BlobService = azure.createBlobService(
            storageAccountOrConnectionString,
            storageAccessKey,
            host
        ).withFilter(new azure.LinearRetryPolicyFilter(5, 500));

        // create BlobServiceAsync by using denodeify to create promise wrappers around cb functions
        // tslint:disable-next-line:prefer-object-spread
        return Object.assign(blobService as any, {
            createContainerIfNotExistsAsync: this.denodeify(blobService, blobService.createContainerIfNotExists),
            deleteContainerIfExistsAsync: this.denodeify(blobService, blobService.deleteContainerIfExists),

            createBlockBlobFromTextAsync: this.denodeify(blobService, blobService.createBlockBlobFromText),
            getBlobMetadataAsync: this.denodeify(blobService, blobService.getBlobMetadata),
            setBlobMetadataAsync: this.denodeify(blobService, blobService.setBlobMetadata),
            getBlobPropertiesAsync: this.denodeify(blobService, blobService.getBlobProperties),
            setBlobPropertiesAsync: this.denodeify(blobService, blobService.setBlobProperties),
            getBlobToTextAsync: this.denodeify(blobService, blobService.getBlobToText),
            deleteBlobIfExistsAsync: this.denodeify(blobService, blobService.deleteBlobIfExists),
            listBlobsSegmentedWithPrefixAsync: this.denodeify(blobService, blobService.listBlobsSegmentedWithPrefix),
            listBlobDirectoriesSegmentedWithPrefixAsync: this.denodeify(blobService, blobService.listBlobDirectoriesSegmentedWithPrefix)

private createBlobService(storageAccountOrConnectionString: string, storageAccessKey: string, host: any): BlobServiceAsync {
        if (!storageAccountOrConnectionString) {
            throw new Error('The storageAccountOrConnectionString parameter is required.');
        }

        const blobService: azure.BlobService = azure.createBlobService(
            storageAccountOrConnectionString,
            storageAccessKey,
            host
        ).withFilter(new azure.LinearRetryPolicyFilter(5, 500));

        // create BlobServiceAsync by using denodeify to create promise wrappers around cb functions
        return {
            createBlockBlobFromTextAsync: this.denodeify(blobService, blobService.createBlockBlobFromText),
            createContainerIfNotExistsAsync: this.denodeify(blobService, blobService.createContainerIfNotExists),
            deleteBlobIfExistsAsync: this.denodeify(blobService, blobService.deleteBlobIfExists),
            deleteContainerIfExistsAsync: this.denodeify(blobService, blobService.deleteContainerIfExists),
            doesBlobExistAsync: this.denodeify(blobService, blobService.doesBlobExist),
            getBlobMetadataAsync: this.denodeify(blobService, blobService.getBlobMetadata),
            getBlobToTextAsync: this.denodeify(blobService, blobService.getBlobToText)
        } as any;
    }

createBlobService(storageAccountOrConnectionString, storageAccessKey, host) {
        if (!storageAccountOrConnectionString) {
            throw new Error('The storageAccountOrConnectionString parameter is required.');
        }
        const blobService = azure.createBlobService(storageAccountOrConnectionString, storageAccessKey, host).withFilter(new azure.LinearRetryPolicyFilter(5, 500));
        // create BlobServiceAsync by using denodeify to create promise wrappers around cb functions
        return {
            createContainerIfNotExistsAsync: this.denodeify(blobService, blobService.createContainerIfNotExists),
            deleteContainerIfExistsAsync: this.denodeify(blobService, blobService.deleteContainerIfExists),
            createBlockBlobFromTextAsync: this.denodeify(blobService, blobService.createBlockBlobFromText),
            getBlobMetadataAsync: this.denodeify(blobService, blobService.getBlobMetadata),
            getBlobToTextAsync: this.denodeify(blobService, blobService.getBlobToText),
            deleteBlobIfExistsAsync: this.denodeify(blobService, blobService.deleteBlobIfExists)
        };
    }
    // turn a cb based azure method into a Promisified one

createBlobService(storageAccountOrConnectionString, storageAccessKey, host) {
        if (!storageAccountOrConnectionString) {
            throw new Error('The storageAccountOrConnectionString parameter is required.');
        }
        const blobService = azure.createBlobService(storageAccountOrConnectionString, storageAccessKey, host).withFilter(new azure.LinearRetryPolicyFilter(5, 500));
        // create BlobServiceAsync by using denodeify to create promise wrappers around cb functions
        return Object.assign(blobService, {
            createContainerIfNotExistsAsync: this.denodeify(blobService, blobService.createContainerIfNotExists),
            deleteContainerIfExistsAsync: this.denodeify(blobService, blobService.deleteContainerIfExists),
            createBlockBlobFromTextAsync: this.denodeify(blobService, blobService.createBlockBlobFromText),
            getBlobMetadataAsync: this.denodeify(blobService, blobService.getBlobMetadata),
            setBlobMetadataAsync: this.denodeify(blobService, blobService.setBlobMetadata),
            getBlobPropertiesAsync: this.denodeify(blobService, blobService.getBlobProperties),
            setBlobPropertiesAsync: this.denodeify(blobService, blobService.setBlobProperties),
            getBlobToTextAsync: this.denodeify(blobService, blobService.getBlobToText),
            deleteBlobIfExistsAsync: this.denodeify(blobService, blobService.deleteBlobIfExists),
            listBlobsSegmentedWithPrefixAsync: this.denodeify(blobService, blobService.listBlobsSegmentedWithPrefix),
            listBlobDirectoriesSegmentedWithPrefixAsync: this.denodeify(blobService, blobService['listBlobDirectoriesSegmentedWithPrefix'])
        });
    }
    // turn a cb based azure method into a Promisified one

createFolderAndClearPromise.then(function () {
                return uploadFileToAzureCdn(blobService, options, loggerCallback, destFileName, sourceFile, metadata)
            }).then(function () {
                eachCallback();
            }).catch(function (error) {
                eachCallback(error);
            });
        }
    }, function (err) {
        cb(err);
    });
};

module.exports.filters = {
    ExponentialRetryPolicyFilter: new azure.ExponentialRetryPolicyFilter(),
    LinearRetryPolicyFilter : new azure.LinearRetryPolicyFilter(),
    RetryPolicyFilter : new azure.RetryPolicyFilter()
}