docs: public Workspaces getWorkspaces( String repositoryName ) {
          String url = jsonRestClient.appendToBaseURL(repositoryName);
          JSONRestClient.Response response = jsonRestClient.doGet(url);
          if (!response.isOK()) {
              throw new RuntimeException(JdbcI18n.invalidServerResponse.text(url, response.asString()));
          }
          return new Workspaces(response.json());
      }