Saves the line in a certain format and sends the result back asynchronously by calling a given callback function.
<void> Line.save(<StreamType> streamType, <SaveDocumentCallback> callback, [<SaveSettings> saveSettings], [<ErrorCallback> errorCallback])
||Specifies one of the Stream
|callback||Receives the line's data in a certain format including additional information.|
||Optional. Specifies additional settings for saving.|
||Optional. Is called when the operation failed with an error.|