code: public void updateAttributeGroup(final TangoGroupAttribute attributeGroup) {
          stop();
          final AttributeGroupReader newValueReader = new AttributeGroupReader(valueReader.getAttributeGroupListener(),
                  attributeGroup, valueReader.isReadWriteValue(), valueReader.isReadQuality(),
                  valueReader.isReadAttributeInfo());
          start(newValueReader, readingPeriod);
      }
docs: Update the group of attributes
  
  @param attributeGroup