fix(cdk/portal): write generic type for TemplateRef in the Template Portal code example (#23818)

Sergey Vakhramov · web-flow · commit 2e2fcc888d02 · 2021-10-24T18:31:10.000-04:00
diff --git a/src/cdk/portal/portal.md b/src/cdk/portal/portal.md
@@ -70,7 +70,7 @@ Usage:
 ```
 
 ```ts
-@ViewChild('templatePortalContent') templatePortalContent: TemplateRef<unknow>;
+@ViewChild('templatePortalContent') templatePortalContent: TemplateRef<unknown>;
 
 ngAfterViewInit() {
   this.templatePortal = new TemplatePortal(
