NgControlStatusGroup

  
    class NgControlStatusGroup extends AbstractControlStatus {  protected override readonly isTouched: boolean;  protected override readonly isUntouched: boolean;  protected override readonly isPristine: boolean;  protected override readonly isDirty: boolean;  protected override readonly isValid: boolean;  protected override readonly isInvalid: boolean;  protected override readonly isPending: boolean;  protected override readonly isSubmitted: boolean;}