Variable KEEP`Const`

KEEP: readonly [
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
    RegExp,
] = ...

What a package archive may contribute: an allow-list, so tests and assets never become rows that cost storage and never run.