esClient.DeleteMany(..)
, .
var objectsToDelete = new List<YourType> {.. };
var bulkResponse = client.DeleteMany<YourType>(objectsToDelete);
, :
var ids = new List<string> {"1", "2", "3"};
var bulkResponse = client.DeleteMany<YourType>(ids.Select(x => new YourType { Id = x }));
, :
var bulkResponse = client.Bulk(new BulkRequest
{
Operations = ids.Select(x => new BulkDeleteOperation<YourType>(x)).Cast<IBulkOperation>().ToList()
});