如何在angular material 6中隐藏单选按钮

npm install @angular/material@6.4.7

import { MatRadioModule } from '@angular/material/radio';
import { MatRadioGroupModule } from '@angular/material/radio';

<mat-radio-group>
  <mat-radio-button value="option1">Option 1</mat-radio-button>
  <mat-radio-button value="option2" class="hidden-radio">Option 2</mat-radio-button>
  <mat-radio-button value="option3">Option 3</mat-radio-button>
</mat-radio-group>

.hidden-radio {
  display: none;
}