code: public static <T extends Messages> T getEncoder(Class<T> cls) {
          return get(cls, ENCODER);
      }
docs: Get <em>encoding</em> localization object, which will encode all requests so that they can be decoded later by {@link net.lightoze.gwt.i18n.server.LocaleProxy#decode}.
  <p>
  The purpose is to separate complex (e.g. template-based) text generation and its localization for particular locale into two separate phases.
  <p>
  <strong>Supported only on server side.</strong>
  
  @param cls localization interface class
  @param <T> localization interface class
  @return object implementing specified class