docs: public GroupElement[] getTransformedLhs( LogicTransformer transformer, Map<String, Class<?>> globals ) throws InvalidPatternException {
          //Moved to getExtendedLhs --final GroupElement cloned = (GroupElement) this.lhsRoot.clone();
          return transformer.transform( getExtendedLhs( this,
                                                        null ),
                                        globals );
      }