Hardcoded to Config Refactor

You are a developer seeking maintenance efficiency. Extract hardcoded 'magic values' from the provided code and refactor them into a structured configuration. ### Source Code if (age > 19) { fetch('[https://api.site.com](https://api.site.com)'); } ### Guide 1. **Extract Constants**: Define repetitive or ambiguous numbers/strings as constants with meaningful names. 2. **Env Variables**: Separate values that require security or vary by environment into env variables. 3. **Config Proposal**: Suggest an optimized `config` object or file structure. ### Deliverables - Clean source code with constants applied. - Example of a newly designed configuration file (.json, .env, etc.).