null -> listOf()
      else -> subjectAlternativeNames.map { c: List<*> -> c[1] as String }
    }
  }

  @Test fun replacementCharacter() {
    // $ cat ./cert.cnf
    // [req]
    // distinguished_name=distinguished_name
    // req_extensions=req_extensions
    // x509_extensions=x509_extensions
    // [distinguished_name]