in JetBrains.AppStore.NotaryApi/AppStoreConnectAuth.cs [12:17]
public AppStoreConnectAuth([NotNull] string issuerId, [NotNull] string keyId, [NotNull] string privateKey)
{
IssuerId = issuerId ?? throw new ArgumentNullException(nameof(issuerId));
KeyId = keyId ?? throw new ArgumentNullException(nameof(keyId));
PrivateKey = privateKey ?? throw new ArgumentNullException(nameof(privateKey));
}