internal async Task<string> Upsert(ElasticClient elastic)
{
var op = await elastic.UpdateAsync<ElasticReminderEntry>(
u => u
.Doc(this)
.DocAsUpsert(true)
);
if (!op.IsValid )
throw new ElasticsearchStorageException("Error occured during update for ElasticReminderEntry",op.ConnectionStatus.OriginalException);
return op.Version;
}
