A higher order component which subscribes a react component to a particular control's state changes i.e the component will re-render only when it's or it's parent's state changes.
control: AbstractControl;
It's a required prop to tell the Field
that which control has to be used for subscription.
You can subscribe a FormArray, FormControl and FormGroup.
render: (control: AbstractControl) => React.ReactElement<any>;
A callback which returns a react component which needs to be re-render whenever the control state changes.