HttpDownloadProgressEvent
interface
A download progress event.
interface HttpDownloadProgressEvent extends HttpProgressEvent {
  type: HttpEventType.DownloadProgress
  partialText?: string
  // inherited from common/http/HttpProgressEvent
  type: HttpEventType.DownloadProgress | HttpEventType.UploadProgress
  loaded: number
  total?: number
}   Properties
| Property | Description | 
|---|---|
  type: HttpEventType.DownloadProgress  |  |
  partialText?: string  |    The partial response body as downloaded so far. Only present if the responseType was   |  
    © 2010–2019 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
    https://v7.angular.io/api/common/http/HttpDownloadProgressEvent