old_contents: module.exports = {
      "env": {
          "browser": true,
          "es2021": true
      },
      "globals": {
          "module": "readonly",
          "Game": "writable",
          "l": "readonly",
          "b64_to_utf8": "readonly",
          "utf8_to_b64": "readonly",
          "Beautify": "writable",
          "realAudio": "readonly",
          "JSColor": "readonly",
          "jscolor": "readonly",
          "BeautifyAll": "readonly",
          "CM": "writable",
      },
      "extends": "eslint:recommended",
      "parserOptions": {
          "ecmaVersion": 12
      },
      "rules": {
      }
  };
  
new_contents: module.exports = {
      "env": {
          "browser": true,
          "es2021": true
      },
      "globals": {
          "module": "readonly",
          "Game": "writable",
          "l": "readonly",
          "b64_to_utf8": "readonly",
          "utf8_to_b64": "readonly",
          "Beautify": "writable",
          "realAudio": "readonly",
          "JSColor": "readonly",
          "jscolor": "readonly",
          "BeautifyAll": "readonly",
          "CM": "writable",
          "unsafeWindow": "readonly",
      },
      "extends": "eslint:recommended",
      "parserOptions": {
          "ecmaVersion": 12
      },
      "rules": {
      }
  };
  
subject: Add Userscript variable to ESLint settings