chrome/test/data/webui/tsconfig_base.json

{
  "extends": "../../../../tools/typescript/tsconfig_base.json",
  "compilerOptions": {
    "skipLibCheck": true,
    "typeRoots": [
        "./../../../../third_party/node/node_modules/@types"
    ],
    "types": ["mocha", "trusted-types"]
  }
}