hunk.code_window:         path: sourceDir,
           project: options.name,
         }),
         (_tree: Tree, context: SchematicContext) => {
           if (!options.skipPackageJson && !options.skipInstall) {
             context.addTask(new NodePackageInstallTask());
           }
         },
  
hunk.labels: keep keep add keep keep keep keep keep
hunk.after_edit:       options.lintFix ? applyLintFix(sourceDir) : noop(),
  
hunk.file_path: packages/schematics/angular/library/index.ts
hunk.type: add
file: <h1>
    {{title}}
  </h1>
  