docs: public Object transform( int from, int to, Object input, Map<String, Object> context ) {
  
          if ( from < 0 || to > transformsList.size() || to <= from ) {
              throw new TransformException( "JOLT Chainr : invalid from and to parameters : from=" + from + " to=" + to );
          }
  
          return doTransform( transformsList.subList( from, to ), input, context );
      }