A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, helpFilled } from '@wordpress/icons';
<Icon icon={helpFilled} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path fill-rule="evenodd" clip-rule="evenodd" d="M12 2C6.477 2 2 6.477 2 12s4.477 10 10 10 10-4.477 10-10S17.523 2 12 2zm-1 16v-2h2v2h-2zm2-3v-1.141A3.991 3.991 0 0016 10a4 4 0 00-8 0h2c0-1.103.897-2 2-2s2 .897 2 2-.897 2-2 2a1 1 0 00-1 1v2h2z"></path></svg>
helpFilled – WordPress Icon Library