client-sdk generated for typescript-angular does not have package.json, but only ng-package.json

The default config to generate typescript-angular sdk does not have package.json, it has only ng-package.json. How to use this code in angular code, any example would be of great help.

Yes, if we give npm package name, then package.json does come, but however how to use this in an existing angular app, no clear info, provided. Can any share sample pl.