@Component({
  selector: 'my-custom-input',
  templateUrl: 'src/my-custom-input.component.html',
  styleUrls:['src/my-custom-input.component.css']
})
export class MyCustomInput implements AfterContentInit {

  @Input() label;

  @ContentChild(InputReference) // not using 'input' selector here
  injectedInput: InputReference; // not of type HTMLInputElement anymore

  constructor() {
  }

  ngAfterContentInit(){
    console.log('*************');
    console.log('injectedInput:', this.injectedInput);
    console.log('*************');
  }
}