override fun toString(): String = path.joinToString(separator = " / ")

  companion object {
    /**
     * A synthetic value that indicates there's no more bytes. Values with equivalent data may also
     * show up in ASN.1 streams to also indicate the end of SEQUENCE, SET or other constructed
     * value.
     */
    private val END_OF_DATA =
      DerHeader(
        tagClass = DerHeader.TAG_CLASS_UNIVERSAL,