hunk.code_window:   tags,
     virtualFs,
   } from '@angular-devkit/core';
   import { NodeJsSyncHost } from '@angular-devkit/core/node';
   import { createHash } from 'crypto';
   import * as findCacheDirectory from 'find-cache-dir';
   import * as fs from 'fs';
   import * as path from 'path';
   import { Observable, from, of } from 'rxjs';
  
hunk.labels: keep keep keep keep replace keep keep keep keep
hunk.file_path: packages/angular_devkit/build_angular/src/browser/index.ts
hunk.type: replace
file: {
    "extends": "../tsconfig.json",
    "compilerOptions": {
      "outDir": "../out-tsc/spec",
      "types": [
        "jasmine",
        "node"
      ]
    },
    "files": [
      "test.ts",
      "polyfills.ts"
    ],
    "include": [
      "**/*.spec.ts",
      "**/*.d.ts"
    ]
  }
  