How to use the ngx-easy-table.API.toggleRowIndex function in ngx-easy-table

onRowClickEvent($event: MouseEvent, index: number): void {
    $event.preventDefault();
    this.table.apiEvent({
      type: API.toggleRowIndex,
      value: index,
    });
    if (this.toggledRows.has(index)) {
      this.toggledRows.delete(index);
    } else {
      this.toggledRows.add(index);
    }
  }
}

onRowClickEvent($event: MouseEvent, index: number): void {
    $event.preventDefault();
    this.table.apiEvent({
      type: API.toggleRowIndex,
      value: index,
    });
    if (this.toggledRows.has(index)) {
      this.toggledRows.delete(index);
    } else {
      this.toggledRows.add(index);
    }
  }
}

onRowClickEvent($event: MouseEvent, index: number): void {
    $event.preventDefault();
    this.table.apiEvent({
      type: API.toggleRowIndex,
      value: index,
    });
    if (this.toggledRows.has(index)) {
      this.toggledRows.delete(index);
    } else {
      this.toggledRows.add(index);
    }
  }
}