private void AddHeadersToChangeSets(ref MultipartContent content)
{
using (var enumChangeSet = content.GetEnumerator())
{
while (enumChangeSet.MoveNext())
{
var currentChangeSet = enumChangeSet.Current;
currentChangeSet.Headers.ContentType = new MediaTypeHeaderValue("application/http");
currentChangeSet.Headers.Add("Content-Transfer-Encoding", "binary");
}
}
}