It was already imported in one place, that appears to work fine.
Using `require` results in invalid ESM output, because `require` is not
defined in ES modules.
Pass `validateConfigPath` if a type of value equals to `function`. The purpose of this commit is to avoid unwanted warnings when we define theme values as functions in tailwind.config.js, which, for example, are required to define theme colors with opacity enabled. https://github.com/tailwindlabs/tailwindcss/discussions/2206#discussioncomment-60081