@Override
  public BlobClientBuilder getBlobClientBuilder(String systemName, String azureUrlFormat,
      AzureBlobConfig azureBlobConfig) {
    return new AzureBlobClientBuilder(systemName, azureUrlFormat, azureBlobConfig);
  }
Default implementation of {@link BlobClientBuilderFactory} that constructs a
new instance of {@link AzureBlobClientBuilder}.
samza-azure/src/main/java/org/apache/samza/system/azureblob/AzureBlobClientBuilderFactory.java