hunk.code_window:   vendorChunk?: boolean;
     commonChunk?: boolean;
     baseHref?: string;
     progress?: boolean;
     poll?: number;
   }
   export class DevServerBuilder implements Builder<DevServerBuilderOptions> {
  
hunk.labels: keep keep keep keep add keep keep keep keep
hunk.after_edit:   verbose?: boolean;
  
hunk.file_path: packages/angular_devkit/build_angular/src/dev-server/index.ts
hunk.type: add
file: {
    "$schema": "http://json-schema.org/schema",
    "$id": "ng-cli://commands/build.json",
    "description": "Builds your app and places it into the output path (dist/ by default).",
    "$longDescription": "",
  
    "$aliases": [ "b" ],
    "$scope": "in",
    "$type": "architect",
    "$impl": "./build-impl#BuildCommand",
  
    "allOf": [
      { "$ref": "./definitions.json#/definitions/architect" },
      { "$ref": "./definitions.json#/definitions/base" }
    ]
  }
  