drop Node 14 support, Node ^16.17.0 || >=18.6 is now required
alwaysTryTypes is enabled by default, you can set it as false to opt-out
array type of project is discouraged but still supported, single project with references are encouraged for better performance, you can enable noWarnOnMultipleProjects option to supress the warning message
root tsconfig.json or jsconfig.json will be used automatically if no project provided
