Tampermonkey

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### Example tm.json provisioning file

Source: https://www.tampermonkey.net/documentation.php?q=deploying

Example provisioning JSON file (tm.json) exported from Tampermonkey. Contains scripts with base64-encoded source, external resources, and settings. Host this file on an internal web server for managed deployment.

```json
{
  "version": "1",
  "scripts": [
    {
      "name": "Log location",
      "enabled": true,
      "position": 1,
      "uuid": "4190fc63-64c8-4c68-9a7c-96f41f85729a",
      "source": "Ly8gPT1Vc2VyU2NyaXB0PT0KLy8gQG5[...]sb2cobG9jYXRpb24uaHJlZik7",
      "requires": [
        {
          "meta": { "name": "jquery-3.4.1.min.js", "url": "https://code.jquery.com/jquery-3.4.1.min.js", "mimetype": "application/javascript" },
          "source": "Ly8ganF1ZXJ5IHN0dWIKdmFyIGpkVjMgPSAxOw=="
        }
      ]
    }
  ],
  "settings": {
    "configMode": 100,
    "logLevel": 80
  }
}
```

--------------------------------

### GM_setClipboard usage examples

Source: https://www.tampermonkey.net/documentation.php?q=GM_setClipboard

Two usage examples: the first uses the GM_setClipboard function with a callback that logs when the clipboard is set. The second uses the GM.setClipboard method with await and logs after setting.

```javascript
GM_setClipboard("This is the clipboard text.", "text", () => console.log("Clipboard set!"));
await GM.setClipboard("This is the newer clipboard text.", "text");
console.log('Clipboard set again!');
```

--------------------------------

### Open a new tab with GM_openInTab

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_openInTab

Opens a new tab and navigates to the specified URL. The example uses the default options.

```javascript
// Open a new tab and navigate to the specified URL
GM_openInTab("https://www.example.com/");

```

--------------------------------

### GM.audio.getState Promise example

Source: https://www.tampermonkey.net/documentation.php?q=GM_audio

Promise-style usage of GM.audio.getState. Requires the GM.audio grant. Resolves with the info object on success or rejects on error.

```javascript
// ==UserScript==
...
// @grant      GM.audio
// ==/UserScript==

const state = await GM.audio.getState();
console.log(`muted=${state.isMuted} (reason=${state.muteReason}) audible=${state.isAudible}`);
```

--------------------------------

### @match URL pattern examples

Source: https://www.tampermonkey.net/documentation.php?q=meta%3Aexclude

More examples of @match directives showing various URL patterns, including wildcards for protocol, domain, and path. Multiple @match tags are allowed.

```javascript
// @match *://*/*
// @match https://*/*
// @match http://*/foo*
// @match https://*.tampermonkey.net/foo*bar
```

--------------------------------

### Setting a cookie with GM_cookie.set

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_cookie.list

This example demonstrates how to set a cookie using the callback-based GM_cookie.set method with various configuration options, and how to use the promise-based GM.cookie.set alternative.

```javascript
GM_cookie.set({
  url: 'https://example.com',
  name: 'name',
  value: 'value',
  domain: '.example.com',
  path: '/',
  secure: true,
  httpOnly: true,
  expirationDate: Math.floor(Date.now() / 1000) + (60 * 60 * 24 * 30) // Expires in 30 days
}, function(error) {
  if (error) {
    console.error(error);
  } else {
    console.log('Cookie set successfully.');
  }
});

GM.cookie.set({
  name: 'name',
  value: 'value'
})
.then(() => {
  console.log('Cookie set successfully.');
})
.catch((error) => {
  console.error(error);
});
```

--------------------------------

### GM_download usage example

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_download

Shows how to call GM_download with a URL and filename, and with a details object including saveAs. Also demonstrates cancelling the download after 5 seconds using the abort method.

```javascript
GM_download("http://example.com/file.txt", "file.txt");

const download = GM_download({
    url: "http://example.com/file.txt",
    name: "file.txt",
    saveAs: true
});

// cancel download after 5 seconds
window.setTimeout(() => download.abort(), 5000);
```

--------------------------------

### Using SRI in @resource and @require tags

Source: https://www.tampermonkey.net/documentation.php?q=api%3ASubresource_Integrity

Examples of including MD5 and SHA-256 hashes in @resource and @require metadata tags to verify resource integrity.

```text
// @resource SRIsecured1 http://example.com/favicon1.ico#md5=ad34bb...
// @resource SRIsecured2 http://example.com/favicon2.ico#md5=ac3434...,sha256=23fd34...
// @require              https://code.jquery.com/jquery-2.1.1.min.js#md5=45eef...
// @require              https://code.jquery.com/jquery-2.1.2.min.js#md5-ac56d...,sha256-6e789...
// @require              https://code.jquery.com/jquery-3.6.0.min.js#sha256-/xUj+3OJU...ogEvDej/m4=
```

--------------------------------

### GM.audio.setMute Promise example

Source: https://www.tampermonkey.net/documentation.php?q=GM_audio

Promise-style usage of GM.audio.setMute. Requires the GM.audio grant. Resolves on success and rejects with an error string on failure.

```javascript
// ==UserScript==
...
// @grant      GM.audio
// ==/UserScript==

await GM.audio.setMute({ isMuted: false });
console.log('tab un-muted');
```

--------------------------------

### GM.notification with await

Source: https://www.tampermonkey.net/documentation.php?q=GM_notification

Example of using the GM.notification API with async/await to display a notification with text 'Click me.'.

```javascript
const clicked = await GM.notification({ text: "Click me." });
```

--------------------------------

### GM_webRequest(rules, listener)

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_webRequest

Documentation for the GM_webRequest API function, including parameters, listener arguments, and an example.

```APIDOC
## GM_webRequest(rules, listener)

### Description
Registers rules for web request manipulations and a listener for triggered rules. This API is experimental and may change at any time. It is not available in Manifest v3 versions of Tampermonkey 5.2+ (Chrome and derivatives).

### Method
Function call

### Endpoint
GM_webRequest(rules, listener)

### Parameters
- **rules** (object[]) - Required - Array of rules with the following properties:
  - **selector** (string|object) - Required - For which URLs the rule should be triggered. A string value is shorthand for `{ include: [selector] }`. Object properties:
    - **include** (string|string[]) - Optional - URLs, patterns, and regexes for rule triggering.
    - **match** (string|string[]) - Optional - URLs and patterns for rule triggering.
    - **exclude** (string|string[]) - Optional - URLs, patterns, and regexes for not triggering the rule.
  - **action** (string|object) - Required - What to do with the request. A string value `"cancel"` is shorthand for `{ cancel: true }`. Object properties:
    - **cancel** (boolean) - Optional - Whether to cancel the request.
    - **redirect** (string|object) - Optional - Redirect to some URL which must be included in any @match or @include header. When a string, redirects to the static URL. If object:
      - **from** (string) - Optional - A regexp to extract some parts of the URL, e.g. `"([^:]+)://match.me/(.*)"`.
      - **to** (string) - Optional - Pattern for substitution, e.g. `"$1://redirected.to/$2"`.
- **listener** (function) - Required - Called when the rule is triggered. Cannot impact the rule action. Arguments:
  - **info** (string) - Type of action: `"cancel"`, `"redirect"`.
  - **message** (string) - `"ok"` or `"error"`.
  - **details** (object) - Info about the request and rule:
    - **rule** (object) - The triggered rule.
    - **url** (string) - URL of the request.
    - **redirect_url** (string) - Where the request was redirected.
    - **description** (string) - Error description.

### Request Example
```javascript
GM_webRequest([
    { selector: '*cancel.me/*', action: 'cancel' },
    { selector: { include: '*', exclude: 'http://exclude.me/*' }, action: { redirect: 'http://new_static.url' } },
    { selector: { match: '*://match.me/*' }, action: { redirect: { from: '([^:]+)://match.me/(.*)', to: '$1://redirected.to/$2' } } }
], function(info, message, details) {
    console.log(info, message, details);
});
```

### Response
No return value is documented. The listener is called with the provided arguments when a rule is triggered.
```

--------------------------------

### GM_audio.setMute callback example

Source: https://www.tampermonkey.net/documentation.php?q=GM_audio

Callback-style usage of GM_audio.setMute. Requires the GM_audio grant. The callback receives an error string on failure, otherwise undefined.

```javascript
// ==UserScript==
...
// @grant      GM_audio
// ==/UserScript==

GM_audio.setMute({ isMuted: true }, function(err) {
  if (err) console.error('mute failed:', err);
  else console.log('tab muted');
});
```

--------------------------------

### GM_getTabs callback and async examples

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_getTabs

Shows how to retrieve all saved tab information using the callback style, iterating over the tabs object with Object.entries, and the async/await style with GM.getTabs().

```javascript
GM_getTabs((tabs) => {
    for (const [tabId, tab] of Object.entries(tabs)) {
        console.log(`tab ${tabId}`, tab);
    }
});
const tabs = await GM.getTabs();
```

--------------------------------

### GM_audio.getState callback example

Source: https://www.tampermonkey.net/documentation.php?q=GM_audio

Callback-style usage of GM_audio.getState. Requires the GM_audio grant. The callback receives an info object with isMuted, muteReason, and isAudible properties.

```javascript
// ==UserScript==
...
// @grant      GM_audio
// ==/UserScript==

GM_audio.getState(function(state) {
  if (!state) return console.error('failed to read state');
  console.log('muted?', state.isMuted, 'reason:', state.muteReason);
  console.log('audible?', state.isAudible);
});
```

--------------------------------

### GM_cookie.list() example

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_cookie.delete

Shows two ways to call GM_cookie.list: the callback style with an error check, and the promise-based GM.cookie.list() with await. The first retrieves cookies by name, the second retrieves all cookies for the current domain.

```javascript
// Retrieve all cookies with name "mycookie"
GM_cookie.list({ name: "mycookie" }, function(cookies, error) {
  if (!error) {
    console.log(cookies);
  } else {
    console.error(error);
  }
});

// Retrieve all cookies for the current domain
const cookies = await GM.cookie.list()
console.log(cookies);
```

--------------------------------

### @resource tag examples

Source: https://www.tampermonkey.net/documentation.php?q=externals

Shows how to use the @resource tag to preload resources accessible via GM_getResourceURL and GM_getResourceText. Multiple instances are allowed. Sub-resource integrity hashes can be appended after a # to ensure integrity.

```plaintext
// @resource icon1       http://www.tampermonkey.net/favicon.ico
// @resource icon2       /images/icon.png
// @resource html        http://www.tampermonkey.net/index.html
// @resource xml         http://www.tampermonkey.net/crx/tampermonkey.xml
// @resource SRIsecured1 http://www.tampermonkey.net/favicon.ico#md5=123434...
// @resource SRIsecured2 http://www.tampermonkey.net/favicon.ico#md5=123434...;sha256=234234...

```

--------------------------------

### GM.audio.addStateChangeListener Promise example

Source: https://www.tampermonkey.net/documentation.php?q=GM_audio

Registers a state change listener using the Promise style. The listener logs the mute reason when muted. Requires the GM.audio grant.

```javascript
// ==UserScript==
...
// @grant      GM.audio
// ==/UserScript==

await GM.audio.addStateChangeListener(ev => {
  if (ev.muted) console.log('muted by', ev.muted);
});
```

--------------------------------

### GM_getTab callback and async examples

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_getTabs

Shows how to retrieve the tab object using the callback style and the async/await style with GM.getTab(). The callback receives the tab object, which is logged to the console.

```javascript
GM_getTab((tab) => console.log(tab));
const t = await GM.getTab();
console.log(t);
```

--------------------------------

### @connect multiple tag examples

Source: https://www.tampermonkey.net/documentation.php?q=connect

Shows multiple @connect tags in a userscript header. Each line whitelists a different domain or value; multiple instances are allowed and both the initial and final URL are checked.

```javascript
// @connect tmnk.net
// @connect www.tampermonkey.net
// @connect self
// @connect localhost
// @connect 8.8.8.8
// @connect *

```

--------------------------------

### GM_setClipboard info parameter object

Source: https://www.tampermonkey.net/documentation.php?q=GM_setClipboard

The info parameter can be an object specifying the type and mimetype of the clipboard data. The example shows type 'text' and mimetype 'text/plain'.

```json
{
    type: 'text',
    mimetype: 'text/plain'
}
```

--------------------------------

### Firefox policies.json for Tampermonkey

Source: https://www.tampermonkey.net/documentation.php?q=deploying

Firefox policies.json for system-wide deployment at /etc/firefox/policies/policies.json. Forces installation of the Tampermonkey beta XPI and configures the 3rd-party jsonImport policy for firefoxbeta@tampermonkey.net.

```json
{
  "policies": {
    "Extensions": {
      "Install": [
        "https://www.tampermonkey.net/xpi/firefox-current-beta.xpi"
      ]
    },
    "3rdparty": {
      "Extensions": {
        "firefoxbeta@tampermonkey.net": {
          "jsonImport": [
            {
              "hash": "1:66849534c66c5bd384f39f7fb5c7c5bdbc8611bfedab082762cb943f853637d0",
              "url": "http://localhost:12121/tm.json",
              "haltOnError": true,
              "installAsSystemScripts": false
            }
          ]
        }
      }
    }
  }
}
```

--------------------------------

### CDATA-based meta data storage example

Source: https://www.tampermonkey.net/documentation.php?q=api%3ACDATA

Shows how to use CDATA to store JavaScript code as a string and execute it with eval(). The code is wrapped in a CDATA section and converted to a string using toString().

```javascript
var inline_src = (<><![CDATA[
    console.log('Hello World!');
]]>).toString();

eval(inline_src);

```

--------------------------------

### GM_audio.addStateChangeListener callback example

Source: https://www.tampermonkey.net/documentation.php?q=GM_audio

Registers a state change listener using the callback style. The listener receives an info object with optional 'muted' and 'audible' properties. Requires the GM_audio grant.

```javascript
// ==UserScript==
...
// @grant      GM_audio
// ==/UserScript==

GM_audio.addStateChangeListener(function(e) {
  if ('muted' in e) console.log('muted:', e.muted);
  if ('audible' in e) console.log('audible:', e.audible);
});
```

--------------------------------

### Get values with GM_getValue and GM.getValue

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_setValue

Example usage of GM_getValue and its async counterpart GM.getValue to retrieve values from the userscript's storage, with a default value of null if the key does not exist.

```javascript
const someKey = GM_getValue("someKey", null);
const otherKey = await GM.getValue("otherKey", null);
```

--------------------------------

### GM_xmlhttpRequest usage example

Source: https://www.tampermonkey.net/documentation.php?q=GM_xmlhttpRequest

Example of using GM_xmlhttpRequest with method, url, headers, and onload callback, followed by the promise-based GM.xmlHttpRequest with await and error handling. Note: the synchronous flag is not supported; the promise-based version is GM.xmlHttpRequest (uppercase 'H').

```javascript
GM_xmlhttpRequest({
  method: "GET",
  url: "https://example.com/",
  headers: {
    "Content-Type": "application/json"
  },
  onload: function(response) {
    console.log(response.responseText);
  }
});

const r = await GM.xmlHttpRequest({ url: "https://example.com/" }).catch(e => console.error(e));
console.log(r.responseText);
```

--------------------------------

### @include examples for Tampermonkey userscripts

Source: https://www.tampermonkey.net/documentation.php?q=include

Shows the supported @include patterns for matching script URLs. Multiple @include tags are allowed, and the URL hash parameter is not supported; match the path without the hash and use window.onurlchange instead.

```javascript
// @include http://www.tampermonkey.net/*
// @include http://*
// @include https://*
// @include /^https://www\.tampermonkey\.net\/.*$/
// @include *

```

--------------------------------

### GM_cookie.set(details[, callback]) - Set cookie with callback and promise examples

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_cookie.delete

Sets a cookie with the given details. The first example uses the callback style, while the second uses the promise style. The callback receives an error message if the operation fails, otherwise undefined.

```javascript
GM_cookie.set({
  url: 'https://example.com',
  name: 'name',
  value: 'value',
  domain: '.example.com',
  path: '/',
  secure: true,
  httpOnly: true,
  expirationDate: Math.floor(Date.now() / 1000) + (60 * 60 * 24 * 30) // Expires in 30 days
}, function(error) {
  if (error) {
    console.error(error);
  } else {
    console.log('Cookie set successfully.');
  }
});
```

```javascript
GM.cookie.set({
  name: 'name',
  value: 'value'
})
.then(() => {
  console.log('Cookie set successfully.');
})
.catch((error) => {
  console.error(error);
});
```

--------------------------------

### GM_setValue and GM.setValue usage example

Source: https://www.tampermonkey.net/documentation.php?q=GM_values

Shows how to set a value in userscript storage using GM_setValue and its async pendant GM.setValue. GM_setValue takes a string key and a value (null, object, string, number, undefined, or boolean) and returns nothing. The example calls GM_setValue with a string value and awaits GM.setValue with another string value.

```javascript
GM_setValue("someKey", "someData");
await GM.setValue("otherKey", "otherData");
```

--------------------------------

### GM_openInTab(url, options)

Source: https://www.tampermonkey.net/documentation.php?q=GM_openInTab

Opens a new browser tab and navigates to the specified URL. Accepts an optional options object to customize tab behavior such as active state, insertion position, parent relationship, incognito mode, and background loading. Returns an object with close, onclose, and closed properties.

```APIDOC
## GM_openInTab(url, options)

### Description
Opens a new tab in the browser and navigates to the specified URL. The function accepts an optional options object to customize the behavior of the new tab. It returns an object with a `close` function, an `onclose` listener, and a `closed` flag.

### Method
GM_openInTab

### Parameters
- **url** (string) - Required - The URL of the page to open in the new tab.
- **options** (object) - Optional - An object to customize the new tab. Available options:
  - **active** (boolean) - Optional - Whether the new tab should be active (selected). Default: false.
  - **insert** (integer) - Optional - The position at which the new tab should be inserted in the tab strip. Default: false (added to the end).
  - **setParent** (boolean) - Optional - Whether the new tab should be considered a child of the current tab. Default: false.
  - **incognito** (boolean) - Optional - Whether to open the tab in an incognito/private mode window.
  - **loadInBackground** (boolean) - Optional - Has the opposite meaning of **active** and was added for Greasemonkey 3.x compatibility.

### Returns
An object with the following properties:
- **close** (function) - A function to close the tab.
- **onclose** (listener) - A listener for the tab close event.
- **closed** (boolean) - A flag indicating whether the tab has been closed.

### Example
```javascript
// Open a new tab and navigate to the specified URL
GM_openInTab("https://www.example.com/");
```
```

--------------------------------

### Host provisioning JSON with PHP built-in server

Source: https://www.tampermonkey.net/documentation.php?q=deploying

Command to host the provisioning JSON file locally using PHP's built-in web server. For production, use a real web server (Apache, Nginx, IIS) serving over HTTPS with a valid certificate.

```bash
php -S localhost:12121 -t .
```

--------------------------------

### @run-at document-start

Source: https://www.tampermonkey.net/documentation.php?q=meta%3Arun_at

Injects the script as fast as possible, before the document is fully loaded. Use this for early DOM manipulation or to capture events before other scripts run.

```javascript
// @run-at document-start

```

--------------------------------

### GM.notification(details)

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_notification

An example of using the GM.notification method (likely a promise-based variant) to display a notification and await its result.

```APIDOC
## GM.notification(details)

### Description
Displays a notification using a details object. This example shows a promise-based usage with `await`.

### Method
Function call (async)

### Parameters
#### details (object) - Required
- **text** (string) - Optional - The message to display in the notification.
- **title** (string) - Optional - The title of the notification.
- **tag** (string) - Optional - v5.0+ A tag to identify the notification.
- **image** (string) - Optional - URL of an image to display.
- **highlight** (boolean) - Optional - Whether to highlight the tab.
- **silent** (boolean) - Optional - Whether to not play a sound.
- **timeout** (number) - Optional - Time in milliseconds before auto-close.
- **url** (string) - Optional - URL to load on click.
- **onclick** (function) - Optional - Callback on click.
- **ondone** (function) - Optional - Callback on close.

### Request Example
```
const clicked = await GM.notification({ text: "Click me." });
```

### Response
Returns a promise that resolves when the notification is clicked or closed (exact behavior not specified in source).
```

--------------------------------

### GM_registerMenuCommand usage example

Source: https://www.tampermonkey.net/documentation.php?q=api%3AGM_unregisterMenuCommand

Registers a menu command with GM_registerMenuCommand and stores the returned ID so it can be passed to GM_unregisterMenuCommand to remove the entry later.

```javascript
const menuCommandId = GM_registerMenuCommand("Do something", function() {
  // ...
}, "d");

// ... later
GM_unregisterMenuCommand(menuCommandId);
```

--------------------------------

### Bring window to front with window.focus

Source: https://www.tampermonkey.net/documentation.php?q=api%3Awindow.onurlchange

Use window.focus to bring the window to the front, which is more reliable than unsafeWindow.focus. Requires the @grant window.focus permission.

```javascript
// ==UserScript==
...
// @grant window.focus
// ==/UserScript==

if (condition) {
    window.focus();
}
```

--------------------------------

### GM_unregisterMenuCommand usage example

Source: https://www.tampermonkey.net/documentation.php?q=GM_registerMenuCommand

Registers a menu command and then removes it using the returned ID. The GM_registerMenuCommand call is shown with an ellipsis placeholder.

```typescript
const menu_command_id = GM_registerMenuCommand(...);
GM_unregisterMenuCommand(menu_command_id);
```

--------------------------------

### GM_download usage example

Source: https://www.tampermonkey.net/documentation.php?q=GM_download

Downloads a file from a specified URL and saves it to the user's local machine. The details object can include url, name, headers, saveAs, and conflictAction attributes. The file extension must be whitelisted in Tampermonkey's options page for security reasons.

```javascript
// Example usage of GM_download
GM_download({ url: 'https://example.com/file.txt', name: 'file.txt' });
```

--------------------------------

### GM_webRequest example with cancel and redirect rules

Source: https://www.tampermonkey.net/documentation.php?q=GM_webRequest

Registers web request rules with a listener. The rules array includes a cancel rule, a redirect rule with a static URL, and a redirect rule with a regexp-based URL substitution. The listener logs the action type, status message, and request details.

```javascript
GM_webRequest([
    { selector: '*cancel.me/*', action: 'cancel' },
    { selector: { include: '*', exclude: 'http://exclude.me/*' }, action: { redirect: 'http://new_static.url' } },
    { selector: { match: '*://match.me/*' }, action: { redirect: { from: '([^:]+)://match.me/(.*)',  to: '$1://redirected.to/$2' } } }
], function(info, message, details) {
    console.log(info, message, details);
});
```

--------------------------------

### GM_deleteValues and GM.deleteValues usage example

Source: https://www.tampermonkey.net/documentation.php?q=GM_values

Deletes multiple keys from userscript storage. The synchronous GM_deleteValues and async GM.deleteValues calls are shown together as equivalent usage.

```javascript
GM_deleteValues(['foo', 'bar']);
await GM.deleteValues(['foo', 'bar']);
```

--------------------------------

### GM_openInTab usage example

Source: https://www.tampermonkey.net/documentation.php?q=GM_openInTab

Opens a new tab to the specified URL. The options object is optional; defaults are active=false, insert=false (append at end), setParent=false, and loadInBackground is the Greasemonkey 3.x-compatible opposite of active. The returned object exposes close(), onclose, and closed.

```javascript
GM_openInTab(url, options);
```

--------------------------------

### window.focus

Source: https://www.tampermonkey.net/documentation.php?q=api%3Awindow.onurlchange

Brings the window to the front. Requires the @grant window.focus permission. Note that unsafeWindow.focus may fail due to user settings.

```APIDOC
## window.focus

### Description
Brings the window to the front. Requires the @grant window.focus permission. Note that unsafeWindow.focus may fail due to user settings.

### Usage
javascript
// ==UserScript==
// @grant window.focus
// ==/UserScript==

if (condition) {
    window.focus();
}


### Notes
- Requires @grant window.focus.
- unsafeWindow.focus may fail due to user settings.
```
Tokens:
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