stringtemplate/src/main/java/com/opentext/ia/sip/assembly/stringtemplate/StringTemplate.java
protected <S> void registerRenderer(STGroup group, Class<S> type, AttributeRenderer attributeRenderer) {
    group.registerRenderer(type, attributeRenderer);
  }
protected <S> void registerRenderer(STGroup group, Class<S> type, AttributeRenderer attributeRenderer) {
    group.registerRenderer(type, attributeRenderer);
  }
Registers a renderer with the group. Override this method if you want to suppress one OOTB renderer but not all.
@param <S> The domain object type
@param group The template group
@param type The domain object class
@param attributeRenderer The renderer that will be used to render objects of type S into a String