private onSaveSuccess() {
   this.domUtilsService.unregisterBeforeUnloadPrompt();
   this.modal.hide();
   if (this.options.onConfirm) {
     this.options.onConfirm();
   }
 }

 .then(() => {
   this.domUtilsService.unregisterBeforeUnloadPrompt();
   this.modal.hide();
   if (this.options.onConfirm) {
     this.options.onConfirm();
   }
 })

  private onSaveError(error: ApiError) {
    if (error.message) {
      this.toastrService.error(error.message, 'Error', HOVER_TO_DISMISS_INDEFINITE_TOAST);
    } else {
      this.toastrService.error('Could not save the record', 'Error');
    }

    this.modal.hide();
  }

 onCancel() {
   this.modal.hide();
   if (this.options.onCancel) {
     this.options.onCancel();
   }
 }

 hideChildModal(): void {
   this.childModal.hide();
 }

 showChildModal(): void {
   this.childModal.show();
 }

 ngAfterViewInit() {
   this.aboutModal.show();
 }