{"author_name":"Dinesh AR","author_url":"https://stackblitz.com/@Dinesh-AR","height":400,"html":"<iframe src=\"https://stackblitz.com/edit/angular-mattable-with-collapsible-groupheader-uyum6n?embed=1\" height=\"400\" width=\"745\"></iframe>","provider_name":"StackBlitz","provider_url":"https://stackblitz.com","title":"angular-mattable-with-collapsible-groupheader-uyum6n - StackBlitz","type":"rich","version":"1.0","width":745}