in net/JetBrains.DownloadPgpVerifier/src/PgpSignaturesVerifier.cs [93:98]
private static PgpPublicKeyRingBundle GetUntrustedPublicKeyRingBundle(Stream stream)
{
if (stream == null) throw new ArgumentNullException(nameof(stream));
using var decodedStream = PgpUtilities.GetDecoderStream(stream);
return new PgpPublicKeyRingBundle(decodedStream);
}