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{  "extends": "./node_modules/gts/tsconfig-google.json",  "compilerOptions": {    "outDir": "build",    "rootDir": ".",    "sourceMap": false,    "target": "es2017",    "moduleResolution": "node",    "module": "es2015"  },    "include": [    "lib/**/*.ts"  ],  "exclude": [    "lib/cjs.ts"  ]}