How to use the ngrx-forms.ClearAsyncErrorAction function in ngrx-forms

flatMap((resp: any) => {
              if (resp.totalItems > 0) {
                return [
                  new SetSearchResultAction(
                    resp.items.map((i: any) => i.volumeInfo.title),
                  ),
                  new ClearAsyncErrorAction(
                    fs.controls.searchTerm.id,
                    'exists',
                  ),
                ] as Action[];
              }

              return [
                new SetSearchResultAction([]),
                new SetAsyncErrorAction(
                  fs.controls.searchTerm.id,
                  'exists',
                  fs.value.searchTerm,
                ),
              ];
            }),
            catchError(_ => [