const
     integer
     CachingIterator::CALL_TOSTRING
      = 1
    ;
     const
     integer
     CachingIterator::CATCH_GET_CHILD
      = 16
    ;
     const
     integer
     CachingIterator::TOSTRING_USE_KEY
      = 2
    ;
     const
     integer
     CachingIterator::TOSTRING_USE_CURRENT
      = 4
    ;
     const
     integer
     CachingIterator::TOSTRING_USE_INNER
      = 8
    ;
     const
     integer
     CachingIterator::FULL_CACHE
      = 256
    ;
    
 
    
    
    
    
   }