@Field
    public void setEndpoint(String endpoint) {
        this.endpoint = endpoint;
    }
Fetches files from Azure blob storage.
<p>
There are two modes:
1) If you are only using one endpoint and one sas token and one container,
configure those in the config file.  In this case, your fetchKey will
be the path in the container to the blob.
2) If you have different endpoints or sas tokens or containers across
your requests, your fetchKey will be the complete SAS url pointing to the blob.
tika-pipes/tika-fetchers/tika-fetcher-az-blob/src/main/java/org/apache/tika/pipes/fetcher/azblob/AZBlobFetcher.java