code: function(id, uploadId, etagEntries) {
              var promise = new qq.Promise(),
                  body = getCompleteRequestBody(etagEntries);
  
              getHeaders(id, uploadId, body).then(function(headers, endOfUrl) {
                  options.log("Submitting S3 complete multipart upload request for " + id);
  
                  pendingCompleteRequests[id] = promise;
                  delete headers["Content-Type"];
  
                  requester.initTransport(id)
                      .withPath(endOfUrl)
                      .withHeaders(headers)
                      .withPayload(body)
                      .send();
              }, promise.failure);
  
              return promise;
          }
docs: Sends the "Complete" request and fulfills the returned promise when the success of this request is known.
  
  @param id ID associated with the file.
  @param uploadId AWS uploadId for this file
  @param etagEntries Array of objects containing `etag` values and their associated `part` numbers.
  @returns {qq.Promise}