``` csharp IQueryable<Entity> ents = ... IBulkResponse res = client.IndexMany(ents, npindexname, "objects"); ``` generates an empty POST _bulk request if `ents` is empty: POST http://myhost/nonephoneticindex/_bulk HTTP/1.1 Accept: application/json Content-Type: application/json Host: myhost Proxy-Connection: Keep-Alive `empty` The result is HTTP/1.0 411 Length Required Server: squid/2.6.STABLE18 Date: Thu, 04 Jul 2013 13:55:27 GMT Content-Type: text/html Content-Length: 1522 Expires: Thu, 04 Jul 2013 13:55:27 GMT X-Squid-Error: ERR_INVALID_REQ 0 X-Cache: MISS from webproxy.myorganization.com X-Cache-Lookup: NONE from webproxy.myorganization.com:80 Proxy-Connection: close `some html ...`