A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, cancelCircleFilled } from '@wordpress/icons';
<Icon icon={cancelCircleFilled} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 4c-4.4 0-8 3.6-8 8s3.6 8 8 8 8-3.6 8-8-3.6-8-8-8Zm3.8 10.7-1.1 1.1-2.7-2.7-2.7 2.7-1.1-1.1 2.7-2.7-2.7-2.7 1.1-1.1 2.7 2.7 2.7-2.7 1.1 1.1-2.7 2.7 2.7 2.7Z"></path></svg>
cancelCircleFilled – WordPress Icon Library