src/AbstractLexer.php:261:31: ArgumentTypeCoercion: Argument 1 of preg_split expects non-empty-string, but parent type string provided (see https://psalm.dev/193)

Process completed with exit code 2.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/cache@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.