### Trigger Deprecation Notice Source: https://github.com/symfony/deprecation-contracts/blob/main/README.md Triggers a silenced deprecation notice with package information, version, message, and optional printf arguments. This function is intended to be caught by a custom PHP error handler. ```php trigger_deprecation('symfony/blockchain', '8.9', 'Using "%s" is deprecated, use "%s" instead.', 'bitcoin', 'fabcoin'); ``` === COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.