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“54731749c0d0b5c7128cb02e2e731a50c0ad03a8”上不存在“python/paddle/fluid/git@gitcode.net:RobotFutures/Paddle.git”
未验证 提交 a22a6cc5 编写于 作者: O openharmony_ci 提交者： Gitee
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!17831 翻译完成 16892+17088+17319：js-apis-request.md 

Merge pull request !17831 from ester.zhou/TR-16892
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en/application-dev/reference/apis/js-apis-request.md
浏览文件 @ a22a6cc5
...@@ -16,10 +16,11 @@ import request from '@ohos.request'; ...@@ -16,10 +16,11 @@ import request from '@ohos.request';
## Constraints ## Constraints
The download server must support the HTTP HEAD method so that the size of the data to download can be obtained through **Content-length**. Otherwise, the download task fails. If this is the case, you can check the failure cause through [on('fail')<sup>7+</sup>](#onfail7).
Only HTTP requests are supported. HTTPS requests are not supported. Only HTTP requests are supported. HTTPS requests are not supported.
The download server must support the HTTP HEAD method so that the size of the data to download can be obtained through **Content-length**. Otherwise, the download task fails. If this is the case, you can check the failure cause through [on('fail')<sup>7+</sup>](#onfail7).
## Constants ## Constants
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -79,7 +80,7 @@ The table below lists the download task status codes that may be returned by [ge ...@@ -79,7 +80,7 @@ The table below lists the download task status codes that may be returned by [ge
uploadFile(context: BaseContext, config: UploadConfig): Promise&lt;UploadTask&gt; uploadFile(context: BaseContext, config: UploadConfig): Promise&lt;UploadTask&gt;
Uploads files. This API uses a promise to return the result. Uploads files. This API uses a promise to return the result. You can use [on('complete'|'fail')<sup>9+</sup>](#oncomplete--fail9) to obtain the upload error information.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -87,24 +88,24 @@ Uploads files. This API uses a promise to return the result. ...@@ -87,24 +88,24 @@ Uploads files. This API uses a promise to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.| | context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.|
| config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.| | config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.|
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;[UploadTask](#uploadtask)&gt; | Promise used to return the **UploadTask** object.| | Promise&lt;[UploadTask](#uploadtask)&gt; | Promise used to return the **UploadTask** object.|
**Error codes** **Error codes**
For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md). For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md).
| ID| Error Message| | ID| Error Message|
| -------- | -------- | | -------- | -------- |
| 13400002 | Bad file path. | | 13400002 | Bad file path. |
**Example** **Example**
...@@ -133,7 +134,7 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -133,7 +134,7 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
uploadFile(context: BaseContext, config: UploadConfig, callback: AsyncCallback&lt;UploadTask&gt;): void uploadFile(context: BaseContext, config: UploadConfig, callback: AsyncCallback&lt;UploadTask&gt;): void
Uploads files. This API uses an asynchronous callback to return the result. Uploads files. This API uses an asynchronous callback to return the result. You can use [on('complete'|'fail')<sup>9+</sup>](#oncomplete--fail9) to obtain the upload error information.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -141,18 +142,18 @@ Uploads files. This API uses an asynchronous callback to return the result. ...@@ -141,18 +142,18 @@ Uploads files. This API uses an asynchronous callback to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.| | context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.|
| config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.| | config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.|
| callback | AsyncCallback&lt;[UploadTask](#uploadtask)&gt; | Yes| Callback used to return the **UploadTask** object.| | callback | AsyncCallback&lt;[UploadTask](#uploadtask)&gt; | Yes| Callback used to return the **UploadTask** object.|
**Error codes** **Error codes**
For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md). For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md).
| ID| Error Message| | ID| Error Message|
| -------- | -------- | | -------- | -------- |
| 13400002 | Bad file path. | | 13400002 | Bad file path. |
**Example** **Example**
...@@ -196,15 +197,15 @@ Uploads files. This API uses a promise to return the result. ...@@ -196,15 +197,15 @@ Uploads files. This API uses a promise to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.| | config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.|
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;[UploadTask](#uploadtask)&gt; | Promise used to return the **UploadTask** object.| | Promise&lt;[UploadTask](#uploadtask)&gt; | Promise used to return the **UploadTask** object.|
**Example** **Example**
...@@ -243,10 +244,10 @@ Uploads files. This API uses an asynchronous callback to return the result. ...@@ -243,10 +244,10 @@ Uploads files. This API uses an asynchronous callback to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.| | config | [UploadConfig](#uploadconfig) | Yes| Upload configurations.|
| callback | AsyncCallback&lt;[UploadTask](#uploadtask)&gt; | Yes| Callback used to return the **UploadTask** object.| | callback | AsyncCallback&lt;[UploadTask](#uploadtask)&gt; | Yes| Callback used to return the **UploadTask** object.|
**Example** **Example**
...@@ -286,10 +287,10 @@ Subscribes to an upload event. This API uses an asynchronous callback to return ...@@ -286,10 +287,10 @@ Subscribes to an upload event. This API uses an asynchronous callback to return
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to subscribe to. The value is **'progress'** (upload progress).| | type | string | Yes| Type of the event to subscribe to. The value is **'progress'** (upload progress).|
| callback | function | Yes| Callback for the upload progress event.| | callback | function | Yes| Callback for the upload progress event.|
Parameters of the callback function Parameters of the callback function
...@@ -320,10 +321,10 @@ Subscribes to an upload event. This API uses an asynchronous callback to return ...@@ -320,10 +321,10 @@ Subscribes to an upload event. This API uses an asynchronous callback to return
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to subscribe to. The value is **'headerReceive'** (response header).| | type | string | Yes| Type of the event to subscribe to. The value is **'headerReceive'** (response header).|
| callback | function | Yes| Callback for the HTTP Response Header event.| | callback | function | Yes| Callback for the HTTP Response Header event.|
Parameters of the callback function Parameters of the callback function
...@@ -353,10 +354,10 @@ Subscribes to an upload event. This API uses an asynchronous callback to return ...@@ -353,10 +354,10 @@ Subscribes to an upload event. This API uses an asynchronous callback to return
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.| | type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.|
| callback | Callback&lt;Array&lt;TaskState&gt;&gt; | Yes| Callback used to return the result.| | callback | Callback&lt;Array&lt;TaskState&gt;&gt; | Yes| Callback used to return the result.|
Parameters of the callback function Parameters of the callback function
...@@ -395,10 +396,10 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret ...@@ -395,10 +396,10 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to unsubscribe from. The value is **'progress'** (upload progress).| | type | string | Yes| Type of the event to unsubscribe from. The value is **'progress'** (upload progress).|
| callback | function | No| Callback for the upload progress event.| | callback | function | No| Callback for the upload progress event.|
Parameters of the callback function Parameters of the callback function
...@@ -429,10 +430,10 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret ...@@ -429,10 +430,10 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to unsubscribe from. The value is **'headerReceive'** (response header).| | type | string | Yes| Type of the event to unsubscribe from. The value is **'headerReceive'** (response header).|
| callback | function | No| Callback for the HTTP Response Header event.| | callback | function | No| Callback for the HTTP Response Header event.|
Parameters of the callback function Parameters of the callback function
...@@ -461,10 +462,10 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret ...@@ -461,10 +462,10 @@ Unsubscribes from an upload event. This API uses an asynchronous callback to ret
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.| | type | string | Yes| Type of the event to subscribe to. The value **'complete'** means the upload completion event, and **'fail'** means the upload failure event.|
| callback | Callback&lt;Array&lt;TaskState&gt;&gt; | No| Callback used to return the result.| | callback | Callback&lt;Array&lt;TaskState&gt;&gt; | No| Callback used to return the result.|
Parameters of the callback function Parameters of the callback function
...@@ -501,9 +502,9 @@ Deletes this upload task. This API uses a promise to return the result. ...@@ -501,9 +502,9 @@ Deletes this upload task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;boolean&gt; | Promise used to return the task removal result. It returns **true** if the operation is successful and returns **false** otherwise.| | Promise&lt;boolean&gt; | Promise used to return the task removal result. It returns **true** if the operation is successful and returns **false** otherwise.|
**Example** **Example**
...@@ -532,9 +533,9 @@ Deletes this upload task. This API uses an asynchronous callback to return the r ...@@ -532,9 +533,9 @@ Deletes this upload task. This API uses an asynchronous callback to return the r
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -569,9 +570,9 @@ Removes this upload task. This API uses a promise to return the result. ...@@ -569,9 +570,9 @@ Removes this upload task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;boolean&gt; | Promise used to return the task removal result. It returns **true** if the operation is successful and returns **false** otherwise.| | Promise&lt;boolean&gt; | Promise used to return the task removal result. It returns **true** if the operation is successful and returns **false** otherwise.|
**Example** **Example**
...@@ -604,9 +605,9 @@ Removes this upload task. This API uses an asynchronous callback to return the r ...@@ -604,9 +605,9 @@ Removes this upload task. This API uses an asynchronous callback to return the r
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -625,6 +626,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r ...@@ -625,6 +626,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r
``` ```
## UploadConfig ## UploadConfig
Describes the configuration for an upload task.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -639,6 +641,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r ...@@ -639,6 +641,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r
| data | Array&lt;[RequestData](#requestdata)&gt; | Yes| Form data in the request body.| | data | Array&lt;[RequestData](#requestdata)&gt; | Yes| Form data in the request body.|
## TaskState<sup>9+</sup> ## TaskState<sup>9+</sup>
Implements a **TaskState** object, which is the callback parameter of the [on('complete' | 'fail')<sup>9+</sup>](#oncomplete--fail9) and [off('complete' | 'fail')<sup>9+</sup>](#offcomplete--fail9) APIs.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -651,6 +654,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r ...@@ -651,6 +654,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r
| message | string | Yes| Description of the upload task result.| | message | string | Yes| Description of the upload task result.|
## File ## File
Describes the list of files in [UploadConfig](#uploadconfig).
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -665,6 +669,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r ...@@ -665,6 +669,7 @@ Removes this upload task. This API uses an asynchronous callback to return the r
## RequestData ## RequestData
Describes the form data in [UploadConfig](#uploadconfig).
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -679,7 +684,8 @@ Removes this upload task. This API uses an asynchronous callback to return the r ...@@ -679,7 +684,8 @@ Removes this upload task. This API uses an asynchronous callback to return the r
downloadFile(context: BaseContext, config: DownloadConfig): Promise&lt;DownloadTask&gt; downloadFile(context: BaseContext, config: DownloadConfig): Promise&lt;DownloadTask&gt;
Downloads files. This API uses a promise to return the result. Downloads files. This API uses a promise to return the result. You can use [on('complete'|'pause'|'remove')<sup>7+</sup>](#oncompletepauseremove7) to obtain the download task state, which can be completed, paused, or removed. You can also use [on('fail')<sup>7+</sup>](#onfail7) to obtain the task download error information.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -687,25 +693,25 @@ Downloads files. This API uses a promise to return the result. ...@@ -687,25 +693,25 @@ Downloads files. This API uses a promise to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.| | context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.|
| config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.| | config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.|
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;[DownloadTask](#downloadtask)&gt; | Promise used to return the result.| | Promise&lt;[DownloadTask](#downloadtask)&gt; | Promise used to return the result.|
**Error codes** **Error codes**
For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md). For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md).
| ID| Error Message| | ID| Error Message|
| -------- | -------- | | -------- | -------- |
| 13400001 | File operation error. | | 13400001 | File operation error. |
| 13400002 | Bad file path. | | 13400002 | Bad file path. |
| 13400003 | Task manager service error. | | 13400003 | Task manager service error. |
**Example** **Example**
...@@ -727,7 +733,8 @@ For details about the error codes, see [Upload and Download Error Codes](../erro ...@@ -727,7 +733,8 @@ For details about the error codes, see [Upload and Download Error Codes](../erro
downloadFile(context: BaseContext, config: DownloadConfig, callback: AsyncCallback&lt;DownloadTask&gt;): void; downloadFile(context: BaseContext, config: DownloadConfig, callback: AsyncCallback&lt;DownloadTask&gt;): void;
Downloads files. This API uses an asynchronous callback to return the result. Downloads files. This API uses an asynchronous callback to return the result. You can use [on('complete'|'pause'|'remove')<sup>7+</sup>](#oncompletepauseremove7) to obtain the download task state, which can be completed, paused, or removed. You can also use [on('fail')<sup>7+</sup>](#onfail7) to obtain the task download error information.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -735,20 +742,20 @@ Downloads files. This API uses an asynchronous callback to return the result. ...@@ -735,20 +742,20 @@ Downloads files. This API uses an asynchronous callback to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.| | context | [BaseContext](js-apis-inner-application-baseContext.md) | Yes| Application-based context.|
| config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.| | config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.|
| callback | AsyncCallback&lt;[DownloadTask](#downloadtask)&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;[DownloadTask](#downloadtask)&gt; | Yes| Callback used to return the result.|
**Error codes** **Error codes**
For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md). For details about the error codes, see [Upload and Download Error Codes](../errorcodes/errorcode-request.md).
| ID| Error Message| | ID| Error Message|
| -------- | -------- | | -------- | -------- |
| 13400001 | File operation error. | | 13400001 | File operation error. |
| 13400002 | Bad file path. | | 13400002 | Bad file path. |
| 13400003 | Task manager service error. | | 13400003 | Task manager service error. |
**Example** **Example**
...@@ -786,15 +793,15 @@ Downloads files. This API uses a promise to return the result. ...@@ -786,15 +793,15 @@ Downloads files. This API uses a promise to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.| | config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.|
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;[DownloadTask](#downloadtask)&gt; | Promise used to return the result.| | Promise&lt;[DownloadTask](#downloadtask)&gt; | Promise used to return the result.|
**Example** **Example**
...@@ -826,10 +833,10 @@ Downloads files. This API uses an asynchronous callback to return the result. ...@@ -826,10 +833,10 @@ Downloads files. This API uses an asynchronous callback to return the result.
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.| | config | [DownloadConfig](#downloadconfig) | Yes| Download configurations.|
| callback | AsyncCallback&lt;[DownloadTask](#downloadtask)&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;[DownloadTask](#downloadtask)&gt; | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -862,10 +869,10 @@ Subscribes to a download event. This API uses an asynchronous callback to return ...@@ -862,10 +869,10 @@ Subscribes to a download event. This API uses an asynchronous callback to return
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to subscribe to. The value is **'progress'** (download progress).| | type | string | Yes| Type of the event to subscribe to. The value is **'progress'** (download progress).|
| callback | function | Yes| Callback for the download progress event.| | callback | function | Yes| Callback for the download progress event.|
Parameters of the callback function Parameters of the callback function
...@@ -896,10 +903,10 @@ Unsubscribes from a download event. This API uses an asynchronous callback to re ...@@ -896,10 +903,10 @@ Unsubscribes from a download event. This API uses an asynchronous callback to re
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to unsubscribe from. The value is **'progress'** (download progress).| | type | string | Yes| Type of the event to unsubscribe from. The value is **'progress'** (download progress).|
| callback | function | No| Callback for the download progress event.| | callback | function | No| Callback for the download progress event.|
Parameters of the callback function Parameters of the callback function
...@@ -930,10 +937,10 @@ Subscribes to a download event. This API uses an asynchronous callback to return ...@@ -930,10 +937,10 @@ Subscribes to a download event. This API uses an asynchronous callback to return
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to subscribe to.<br>- **'complete'**: download task completion event.<br>- **'pause'**: download task pause event.<br>- **'remove'**: download task removal event.| | type | string | Yes| Type of the event to subscribe to.<br>- **'complete'**: download task completion event.<br>- **'pause'**: download task pause event.<br>- **'remove'**: download task removal event.|
| callback | function | Yes| Callback used to return the result.| | callback | function | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -957,10 +964,10 @@ Unsubscribes from a download event. This API uses an asynchronous callback to re ...@@ -957,10 +964,10 @@ Unsubscribes from a download event. This API uses an asynchronous callback to re
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to unsubscribe from.<br>- **'complete'**: download task completion event.<br>- **'pause'**: download task pause event.<br>- **'remove'**: download task removal event.| | type | string | Yes| Type of the event to unsubscribe from.<br>- **'complete'**: download task completion event.<br>- **'pause'**: download task pause event.<br>- **'remove'**: download task removal event.|
| callback | function | No| Callback used to return the result.| | callback | function | No| Callback used to return the result.|
**Example** **Example**
...@@ -984,10 +991,10 @@ Subscribes to the download task failure event. This API uses an asynchronous cal ...@@ -984,10 +991,10 @@ Subscribes to the download task failure event. This API uses an asynchronous cal
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to subscribe to. The value is **'fail'** (download failure).| | type | string | Yes| Type of the event to subscribe to. The value is **'fail'** (download failure).|
| callback | function | Yes| Callback for the download task failure event.| | callback | function | Yes| Callback for the download task failure event.|
Parameters of the callback function Parameters of the callback function
...@@ -1017,10 +1024,10 @@ Unsubscribes from the download task failure event. This API uses an asynchronous ...@@ -1017,10 +1024,10 @@ Unsubscribes from the download task failure event. This API uses an asynchronous
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| type | string | Yes| Type of the event to unsubscribe from. The value is **'fail'** (download failure).| | type | string | Yes| Type of the event to unsubscribe from. The value is **'fail'** (download failure).|
| callback | function | No| Callback for the download task failure event.| | callback | function | No| Callback for the download task failure event.|
Parameters of the callback function Parameters of the callback function
...@@ -1049,9 +1056,9 @@ Removes this download task. This API uses a promise to return the result. ...@@ -1049,9 +1056,9 @@ Removes this download task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;boolean&gt; | Promise used to return the task removal result.| | Promise&lt;boolean&gt; | Promise used to return the task removal result.|
**Example** **Example**
...@@ -1080,9 +1087,9 @@ Deletes this download task. This API uses an asynchronous callback to return the ...@@ -1080,9 +1087,9 @@ Deletes this download task. This API uses an asynchronous callback to return the
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the task deletion result.| | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the task deletion result.|
**Example** **Example**
...@@ -1113,9 +1120,9 @@ Obtains the information about this download task. This API uses a promise to ret ...@@ -1113,9 +1120,9 @@ Obtains the information about this download task. This API uses a promise to ret
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;[DownloadInfo](#downloadinfo7)&gt; | Promise used to return the download task information.| | Promise&lt;[DownloadInfo](#downloadinfo7)&gt; | Promise used to return the download task information.|
**Example** **Example**
...@@ -1140,9 +1147,9 @@ Obtains the information about this download task. This API uses an asynchronous ...@@ -1140,9 +1147,9 @@ Obtains the information about this download task. This API uses an asynchronous
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;[DownloadInfo](#downloadinfo7)&gt; | Yes| Callback used to return the download task information.| | callback | AsyncCallback&lt;[DownloadInfo](#downloadinfo7)&gt; | Yes| Callback used to return the download task information.|
**Example** **Example**
...@@ -1169,9 +1176,9 @@ Obtains the **MimeType** of this download task. This API uses a promise to retur ...@@ -1169,9 +1176,9 @@ Obtains the **MimeType** of this download task. This API uses a promise to retur
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;string&gt; | Promise used to return the **MimeType** of the download task.| | Promise&lt;string&gt; | Promise used to return the **MimeType** of the download task.|
**Example** **Example**
...@@ -1196,9 +1203,9 @@ Obtains the **MimeType** of this download task. This API uses an asynchronous ca ...@@ -1196,9 +1203,9 @@ Obtains the **MimeType** of this download task. This API uses an asynchronous ca
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;string&gt; | Yes| Callback used to return the **MimeType** of the download task.| | callback | AsyncCallback&lt;string&gt; | Yes| Callback used to return the **MimeType** of the download task.|
**Example** **Example**
...@@ -1225,9 +1232,9 @@ Pauses this download task. This API uses a promise to return the result. ...@@ -1225,9 +1232,9 @@ Pauses this download task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;boolean&gt; | Promise used to return the download task pause result.| | Promise&lt;boolean&gt; | Promise used to return the download task pause result.|
**Example** **Example**
...@@ -1256,9 +1263,9 @@ Pauses this download task. This API uses an asynchronous callback to return the ...@@ -1256,9 +1263,9 @@ Pauses this download task. This API uses an asynchronous callback to return the
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -1289,9 +1296,9 @@ Resumes this download task. This API uses a promise to return the result. ...@@ -1289,9 +1296,9 @@ Resumes this download task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;boolean&gt; | Promise used to return the result.| | Promise&lt;boolean&gt; | Promise used to return the result.|
**Example** **Example**
...@@ -1321,9 +1328,9 @@ Resumes this download task. This API uses an asynchronous callback to return the ...@@ -1321,9 +1328,9 @@ Resumes this download task. This API uses an asynchronous callback to return the
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -1359,9 +1366,9 @@ Removes this download task. This API uses a promise to return the result. ...@@ -1359,9 +1366,9 @@ Removes this download task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;boolean&gt; | Promise used to return the task removal result.| | Promise&lt;boolean&gt; | Promise used to return the task removal result.|
**Example** **Example**
...@@ -1394,9 +1401,9 @@ Removes this download task. This API uses an asynchronous callback to return the ...@@ -1394,9 +1401,9 @@ Removes this download task. This API uses an asynchronous callback to return the
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the task removal result.| | callback | AsyncCallback&lt;boolean&gt; | Yes| Callback used to return the task removal result.|
**Example** **Example**
...@@ -1431,9 +1438,9 @@ Queries this download task. This API uses a promise to return the result. ...@@ -1431,9 +1438,9 @@ Queries this download task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;[DownloadInfo](#downloadinfo7)&gt; | Promise used to return the download task information.| | Promise&lt;[DownloadInfo](#downloadinfo7)&gt; | Promise used to return the download task information.|
**Example** **Example**
...@@ -1462,9 +1469,9 @@ Queries this download task. This API uses an asynchronous callback to return the ...@@ -1462,9 +1469,9 @@ Queries this download task. This API uses an asynchronous callback to return the
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;[DownloadInfo](#downloadinfo7)&gt; | Yes| Callback used to return the download task information.| | callback | AsyncCallback&lt;[DownloadInfo](#downloadinfo7)&gt; | Yes| Callback used to return the download task information.|
**Example** **Example**
...@@ -1495,9 +1502,9 @@ Queries the **MimeType** of this download task. This API uses a promise to retur ...@@ -1495,9 +1502,9 @@ Queries the **MimeType** of this download task. This API uses a promise to retur
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;string&gt; | Promise used to return the **MimeType** of the download task.| | Promise&lt;string&gt; | Promise used to return the **MimeType** of the download task.|
**Example** **Example**
...@@ -1526,9 +1533,9 @@ Queries the **MimeType** of this download task. This API uses an asynchronous ca ...@@ -1526,9 +1533,9 @@ Queries the **MimeType** of this download task. This API uses an asynchronous ca
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;string&gt; | Yes| Callback used to return the **MimeType** of the download task.| | callback | AsyncCallback&lt;string&gt; | Yes| Callback used to return the **MimeType** of the download task.|
**Example** **Example**
...@@ -1559,9 +1566,9 @@ Pauses this download task. This API uses a promise to return the result. ...@@ -1559,9 +1566,9 @@ Pauses this download task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;void&gt; | Promise used to return the download task pause result.| | Promise&lt;void&gt; | Promise used to return the download task pause result.|
**Example** **Example**
...@@ -1594,9 +1601,9 @@ Pauses this download task. This API uses an asynchronous callback to return the ...@@ -1594,9 +1601,9 @@ Pauses this download task. This API uses an asynchronous callback to return the
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;void&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;void&gt; | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -1631,9 +1638,9 @@ Resumes this download task. This API uses a promise to return the result. ...@@ -1631,9 +1638,9 @@ Resumes this download task. This API uses a promise to return the result.
**Return value** **Return value**
| Type| Description| | Type| Description|
| -------- | -------- | | -------- | -------- |
| Promise&lt;void&gt; | Promise used to return the result.| | Promise&lt;void&gt; | Promise used to return the result.|
**Example** **Example**
...@@ -1667,9 +1674,9 @@ Resumes this download task. This API uses an asynchronous callback to return the ...@@ -1667,9 +1674,9 @@ Resumes this download task. This API uses an asynchronous callback to return the
**Parameters** **Parameters**
| Name| Type| Mandatory| Description| | Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| callback | AsyncCallback&lt;void&gt; | Yes| Callback used to return the result.| | callback | AsyncCallback&lt;void&gt; | Yes| Callback used to return the result.|
**Example** **Example**
...@@ -1689,6 +1696,7 @@ Resumes this download task. This API uses an asynchronous callback to return the ...@@ -1689,6 +1696,7 @@ Resumes this download task. This API uses an asynchronous callback to return the
## DownloadConfig ## DownloadConfig
Defines the download task configuration.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -1698,16 +1706,17 @@ Resumes this download task. This API uses an asynchronous callback to return the ...@@ -1698,16 +1706,17 @@ Resumes this download task. This API uses an asynchronous callback to return the
| -------- | -------- | -------- | -------- | | -------- | -------- | -------- | -------- |
| url | string | Yes| Resource URL.| | url | string | Yes| Resource URL.|
| header | Object | No| HTTPS flag header to be included in the download request.<br>The **X-TLS-Version** parameter in **header** specifies the TLS version to be used. If this parameter is not set, the CURL_SSLVERSION_TLSv1_2 version is used. Available options are as follows:<br>CURL_SSLVERSION_TLSv1_0<br>CURL_SSLVERSION_TLSv1_1<br>CURL_SSLVERSION_TLSv1_2<br>CURL_SSLVERSION_TLSv1_3<br>The **X-Cipher-List** parameter in **header** specifies the cipher suite list to be used. If this parameter is not specified, the secure cipher suite list is used. Available options are as follows:<br>- The TLS 1.2 cipher suite list includes the following ciphers:<br>TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_DHE_DSS_WITH_AES_128_GCM_SHA256,TLS_DSS_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_AES_128_GCM_SHA256,<br>TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_128_CCM,<br>TLS_DHE_RSA_WITH_AES_256_CCM,TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_PSK_WITH_AES_256_CCM,TLS_DHE_PSK_WITH_AES_128_CCM,<br>TLS_DHE_PSK_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_AES_128_CCM,<br>TLS_ECDHE_ECDSA_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256<br>- The TLS 1.3 cipher suite list includes the following ciphers:<br>TLS_AES_128_GCM_SHA256,TLS_AES_256_GCM_SHA384,TLS_CHACHA20_POLY1305_SHA256,TLS_AES_128_CCM_SHA256<br>- The TLS 1.3 cipher suite list adds the Chinese national cryptographic algorithm:<br>TLS_SM4_GCM_SM3,TLS_SM4_CCM_SM3 | | header | Object | No| HTTPS flag header to be included in the download request.<br>The **X-TLS-Version** parameter in **header** specifies the TLS version to be used. If this parameter is not set, the CURL_SSLVERSION_TLSv1_2 version is used. Available options are as follows:<br>CURL_SSLVERSION_TLSv1_0<br>CURL_SSLVERSION_TLSv1_1<br>CURL_SSLVERSION_TLSv1_2<br>CURL_SSLVERSION_TLSv1_3<br>The **X-Cipher-List** parameter in **header** specifies the cipher suite list to be used. If this parameter is not specified, the secure cipher suite list is used. Available options are as follows:<br>- The TLS 1.2 cipher suite list includes the following ciphers:<br>TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_DHE_DSS_WITH_AES_128_GCM_SHA256,TLS_DSS_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_AES_128_GCM_SHA256,<br>TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384,<br>TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256,TLS_DHE_RSA_WITH_AES_128_CCM,<br>TLS_DHE_RSA_WITH_AES_256_CCM,TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256,<br>TLS_PSK_WITH_AES_256_CCM,TLS_DHE_PSK_WITH_AES_128_CCM,<br>TLS_DHE_PSK_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_AES_128_CCM,<br>TLS_ECDHE_ECDSA_WITH_AES_256_CCM,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256<br>- The TLS 1.3 cipher suite list includes the following ciphers:<br>TLS_AES_128_GCM_SHA256,TLS_AES_256_GCM_SHA384,TLS_CHACHA20_POLY1305_SHA256,TLS_AES_128_CCM_SHA256<br>- The TLS 1.3 cipher suite list adds the Chinese national cryptographic algorithm:<br>TLS_SM4_GCM_SM3,TLS_SM4_CCM_SM3 |
| enableMetered | boolean | No| Whether download is allowed on a metered connection.<br>- **true**: allowed<br>- **false**: not allowed | | enableMetered | boolean | No| Whether download is allowed on a metered connection.<br>- **true**: allowed<br>- **false**: not allowed|
| enableRoaming | boolean | No| Whether download is allowed on a roaming network.<br>- **true**: allowed<br>- **false**: not allowed | | enableRoaming | boolean | No| Whether download is allowed on a roaming network.<br>- **true**: allowed<br>- **false**: not allowed|
| description | string | No| Description of the download session.| | description | string | No| Description of the download session.|
| filePath<sup>7+</sup> | string | No| Path where the downloaded file is stored.<br>- filePath:'/data/storage/el2/base/haps/entry/files/test.txt': Save the file to an absolute path.<br>- In the FA model, use [context](js-apis-inner-app-context.md#contextgetcachedir) to obtain the cache directory of the application, for example, **'${featureAbility.getContext().getFilesDir()}/test.txt'**, and store the file in this directory.<br>- In the stage model, use [AbilityContext](js-apis-inner-application-context.md) to obtain the fie path, for example, **'${globalThis.abilityContext.tempDir}/test.txt'**, and store the file in this path.| | filePath<sup>7+</sup> | string | No| Path where the downloaded file is stored.<br>- filePath:'/data/storage/el2/base/haps/entry/files/test.txt': Save the file to an absolute path.<br>- In the FA model, use [context](js-apis-inner-app-context.md#contextgetcachedir) to obtain the cache directory of the application, for example, **\${featureAbility.getContext().getFilesDir()}/test.txt\**, and store the file in this directory.<br>- In the stage model, use [AbilityContext](js-apis-inner-application-context.md) to obtain the file path, for example, **\${globalThis.abilityContext.tempDir}/test.txt\**, and store the file in this path.|
| networkType | number | No| Network type allowed for download.<br>- NETWORK_MOBILE: 0x00000001<br>- NETWORK_WIFI: 0x00010000| | networkType | number | No| Network type allowed for download.<br>- NETWORK_MOBILE: 0x00000001<br>- NETWORK_WIFI: 0x00010000|
| title | string | No| Download task name.| | title | string | No| Download task name.|
| background<sup>9+</sup> | boolean | No| Whether to enable the background task notification. When this parameter is enabled, the download status is displayed in the notification panel.| | background<sup>9+</sup> | boolean | No| Whether to enable the background task notification. When this parameter is enabled, the download status is displayed in the notification panel.|
## DownloadInfo<sup>7+</sup> ## DownloadInfo<sup>7+</sup>
Defines the download task information, which is the callback parameter of the [query<sup>(deprecated)</sup>](#querydeprecated-1) API.
**Required permissions**: ohos.permission.INTERNET **Required permissions**: ohos.permission.INTERNET
...@@ -1726,3 +1735,4 @@ Resumes this download task. This API uses an asynchronous callback to return the ...@@ -1726,3 +1735,4 @@ Resumes this download task. This API uses an asynchronous callback to return the
| downloadTotalBytes | number | Yes| Total size of the files to download, in bytes.| | downloadTotalBytes | number | Yes| Total size of the files to download, in bytes.|
| description | string | Yes| Description of the file to download.| | description | string | Yes| Description of the file to download.|
| downloadedBytes | number | Yes| Size of the files downloaded, in bytes.| | downloadedBytes | number | Yes| Size of the files downloaded, in bytes.|
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