code: @Override
      public String encodeExpression(JType type, String expression, Style style) throws UnableToCompleteException {
          return encodeDecodeExpression(type, expression, "encode");
      }
docs: /* (non-Javadoc)
  @see org.fusesource.restygwt.rebind.EncoderDecoderLocator#encodeExpression(com.google.gwt.core.ext.typeinfo
  .JType, java.lang.String, org.fusesource.restygwt.client.Json.Style)