code: public static StorageUri addToQuery(final StorageUri resourceURI, final String queryString)
              throws URISyntaxException, StorageException {
          return new StorageUri(addToSingleUriQuery(resourceURI.getPrimaryUri(), parseQueryString(queryString)),
                  addToSingleUriQuery(resourceURI.getSecondaryUri(), parseQueryString(queryString)));
      }
docs: Adds a queryString to an URI.
  
  @param resourceURI
  the URI of the resource
  @param queryString
  the query string to add
  @return an appended URI.
  @throws URISyntaxException
  if the resulting URI is invalid.
  @throws StorageException