message: refactor(core): made comment structure consistent in index.ts
  changed second big block of comments to use multi-line comment structure instead of multiple single-line comments
  PR Close
diff: * found in the LICENSE file at https://angular.io/license
  */
  -// This file is not used to build this module. It is only used during editing
  -// by the TypeScript language service and during build for verification. `ngc`
  -// replaces this file with production index.ts when it rewrites private symbol
  -// names.
  +/* This file is not used to build this module. It is only used during editing
  + * by the TypeScript language service and during build for verification. `ngc`
  + * replaces this file with production index.ts when it rewrites private symbol
  + * names.
  + */
  export * from './public_api';
  