else -> writer.writeOctetString(value as ByteString)
        }
      }

      override fun fromDer(reader: DerReader): Any? {
        val adapter = chooser(reader.typeHint) as DerAdapter<Any?>?
        return when {
          adapter != null -> adapter.fromDer(reader)
          else -> reader.readUnknown()
        }
      }
    }
  }

  /**