This repository is a monorepo that contains types for eslint-define-config.

All supported packages

You can install them e.g. via npm install @eslint-types/import which will contain types for the eslint-plugin-import plugin.
Then you can use them in your .eslintrc.cjs config like this:

// @ts-check
const { defineConfig } = require('eslint-define-config');
/// <reference types="@eslint-types/import" />
module.exports = defineConfig({
  // ...
});