docs: replace class hero to interface wherever class properties not used (#34022)

Fixes #21186 PR Close #34022
2019-11-25 20:47:02 +05:30
parent 8c76e78ec4
commit 1217c6b7cc
27 changed files with 28 additions and 28 deletions
--- a/aio/content/examples/structural-directives/src/app/hero.ts
+++ b/aio/content/examples/structural-directives/src/app/hero.ts
@ -1,5 +1,5 @@
 // #docregion
-export class Hero {
+export interface Hero {
  id: number;
  name: string;
  emotion?: string;