A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, row } from '@wordpress/icons';
<Icon icon={row} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M4 6.5h5a2 2 0 0 1 2 2v7a2 2 0 0 1-2 2H4V16h5a.5.5 0 0 0 .5-.5v-7A.5.5 0 0 0 9 8H4V6.5Zm16 0h-5a2 2 0 0 0-2 2v7a2 2 0 0 0 2 2h5V16h-5a.5.5 0 0 1-.5-.5v-7A.5.5 0 0 1 15 8h5V6.5Z"></path></svg>
row – WordPress Icon Library