@Input and other decorators and inheritance

I don't really understand how object binding works, so if anyone could explain if I can use @Input() inside a base class, or better: decorators and inheritance. For example if each form should receive a customer I have a base class:

export class AbstractCustomerForm{

@Input() customer;
...
}


and then I extend this class in an actual component:

export AwesomeCustomerForm extends AbstractCustomerForm implements OnInit{
ngOnInit(){

if(this.customer)
doSomething();

}
}


but this won't work, customer will never get set

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