jclouds/jclouds-labs-google — pull request #46 by hsbhathiya (2014-08-28 20:26:45+00:00)
Title: JCLOUDS-458:Multipart Related Upload

"If you have metadata that you want to send along with the data to upload, you can make a single multipart/related request. As with simple, media-only requests, this is a good choice if the data you are sending is small enough to upload again in its entirety if the connection fails."