in src/Amazon.SecretsManager.Extensions.Caching/SecretsManagerCache.cs [102:108]
public async Task<byte[]> GetSecretBinary(String secretId, CancellationToken cancellationToken = default)
{
SecretCacheItem secret = GetCachedSecret(secretId);
GetSecretValueResponse response = null;
response = await secret.GetSecretValue(cancellationToken);
return response?.SecretBinary?.ToArray();
}