|  | Name | Description | 
|---|
|  | GetHeadersAsync(Int32, CancellationToken, ITransferProgress) | Asynchronously get the specified message headers. | 
|  | GetHeadersAsync(UniqueId, CancellationToken, ITransferProgress) | Asynchronously get the specified message headers. | 
|  | GetHeadersAsync(Int32, BodyPart, CancellationToken, ITransferProgress) | Asynchronously get the specified body part headers. | 
|  | GetHeadersAsync(Int32, String, CancellationToken, ITransferProgress) | Asynchronously get the specified body part headers. | 
|  | GetHeadersAsync(UniqueId, BodyPart, CancellationToken, ITransferProgress) | Asynchronously get the specified body part headers. | 
|  | GetHeadersAsync(UniqueId, String, CancellationToken, ITransferProgress) | Asynchronously get the specified body part headers. |