code: public static URI uploadFromUrl(String sourceUrl, String pubKey, String store) {
          URIBuilder builder = new URIBuilder(URI.create(UPLOAD_BASE));
          builder.setPath("/from_url/")
                  .setParameter("source_url", sourceUrl)
                  .setParameter("pub_key", pubKey)
                  .setParameter("store", store);
          return trustedBuild(builder);
      }
docs: Creates a URL for URL upload.
  
  @param sourceUrl URL to upload from
  @param pubKey Public key
  @param store Store the file upon uploading.
  
  @see com.uploadcare.upload.UrlUploader