public Object getNonShadowedValue(InternalWorkingMemory workingMemory,
                                      final Object object) {
        Object result = this.readAccessor.getValue( workingMemory,
                                                    object );
        if ( this.isInternalFact() && result instanceof Collection ) {
            try {
                Collection newCol = (Collection) result.getClass().newInstance();
                for ( Iterator it = ((Collection) result).iterator(); it.hasNext(); ) {
                    Object element = it.next();
                    newCol.add( element );
                }
                return newCol;
            } catch ( InstantiationException e ) {
                // nothing we can do, so just return the resulting object
            } catch ( IllegalAccessException e ) {
                // TODO Auto-generated catch block
            }
        }
        return result;
    }