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## Refactor: Improve clarity of permission variable names Renamed confusing `can[Action]` boolean variables to `prevent[Action]` (e.g., `canPrint` -> `preventPrinting`) in `PasswordController.java`, `AddPasswordRequest.java`, and `add-password.html`. The previous `can[Action]` convention was misleading, as `true` meant the action was *disallowed*. The new `prevent[Action]` naming directly reflects the intent (`true` = prevented), improving code clarity. **Changes:** * Updated variable names in controller logic * Updated `@Schema` descriptions in `AddPasswordRequest.java` * Updated corresponding HTML element attributes (`id`, `name`, `for`) in `add-password.html` **Important Notes:** * The underlying logic still inverts the boolean when setting permissions (e.g., `AccessPermission.setCanPrint(!preventPrinting)`). * User-facing UI text remains unchanged per request of @Frooodle in #3420. **Why not invert the API logic** * Inverting API (to can[action] logic) would either invalidate the UI * Inverting API AND changing UI would warrant bigger translation effort to change it in all languages * This version is consistent (meaning what the UI says is actually done) and preserve the UI language (meaning no translations needed) however it is inconsistent with PDFBox methods naming scheme **PDFBox** * **PDFBox Interaction:** This refactor addresses the naming *within* Stirling-PDF's API and Front-end layers only. The controller logic intentionally inverts the `prevent[Action]` boolean (`ap.setCanPrint(!preventPrinting)`) to correctly interact with the underlying PDFBox methods. No further renaming related to these permissions is necessary as the PDFBox methods themselves retain the `can[Action]` names. Underlying logic is not changed so it should work but just in case I tested locally on an Adobe PDF that contained form in Chrome. ## New variable names in API  **Related Issues:** Closes #3427 Closes #3420 --- ## Checklist ### General - [x] I have read the [Contribution Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md) - [x] I have read the [Stirling-PDF Developer Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md) (if applicable) - [ ] I have read the [How to add new languages to Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md) (if applicable) - [x] I have performed a self-review of my own code - [x] My changes generate no new warnings ### Documentation - [ ] I have updated relevant docs on [Stirling-PDF's doc repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/) (if functionality has heavily changed) - [ ] I have read the section [Add New Translation Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags) (for new translation tags only) ### UI Changes (if applicable) - [ ] Screenshots or videos demonstrating the UI changes are attached (e.g., as comments or direct attachments in the PR) ### Testing (if applicable) - [x] I have tested my changes locally. Refer to the [Testing Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing) for more details.