these are code snippet that you can use to speed up your work with our Source Code
here are the step to add the snippet in your VSCode

1. Open the dart.json file in your code editor.
2. Select all the content in the file by pressing Ctrl+A (Windows) or Cmd+A (Mac).
3. Copy the selected content by pressing Ctrl+C (Windows) or Cmd+C (Mac).
4. Open VSCode and go to the Code menu in the top left corner.
5. Select Preferences and then User Snippets.
6. Choose the the dart language.
7. If you already have a dart.json file, open it. Otherwise, click New Global Snippets File and name it dart.json.
8. Paste the content you copied earlier into the dart.json file.
9. Save the file by pressing Ctrl+S (Windows) or Cmd+S (Mac).
8. You can now use your newly created snippet in your Dart code by typing dw