public Task <bool> SIsMember(string key, string member) =>
ExecuteWithSession(async session =>
{
var result = await _setClient.SIsMember(session, key, member).ConfigureAwait(false);
if (result.IsFailure)
{
throw new RedisException(
$"Error while checking values existence in set key '{key}' [REDIS CODE: {result.Error}]",
result.Exception);
}
return(result.Value);
});
