val newLimit = if (header.length != -1L) byteCount + header.length else -1L
    if (pushedLimit != -1L && newLimit > pushedLimit) {
      throw ProtocolException("enclosed object too large")
    }

    limit = newLimit
    constructed = header.constructed
    if (name != null) path += name
    try {
      val result = block(header)

      // The object processed bytes beyond its range.