{"author_name":"Gordon Westerman","author_url":"https://stackblitz.com/@gwesterman","height":400,"html":"<iframe src=\"https://stackblitz.com/edit/stackoverflow-53082684-mat-tree-boolean?embed=1\" height=\"400\" width=\"745\"></iframe>","provider_name":"StackBlitz","provider_url":"https://stackblitz.com","title":"stackoverflow-53082684-mat-tree-boolean - StackBlitz","type":"rich","version":"1.0","width":745}