{"height":400,"html":"<iframe src=\"https://stackblitz.com/edit/angular-material-tree-dropdown-7dh3uvyb?embed=1\" height=\"400\" width=\"745\"></iframe>","provider_name":"StackBlitz","provider_url":"https://stackblitz.com","title":"angular-material-tree-dropdown-7dh3uvyb - StackBlitz","type":"rich","version":"1.0","width":745}