A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, lineDotted } from '@wordpress/icons';
<Icon icon={lineDotted} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path fill-rule="evenodd" d="M5.25 11.25h1.5v1.5h-1.5v-1.5zm3 0h1.5v1.5h-1.5v-1.5zm4.5 0h-1.5v1.5h1.5v-1.5zm1.5 0h1.5v1.5h-1.5v-1.5zm4.5 0h-1.5v1.5h1.5v-1.5z" clip-rule="evenodd"></path></svg>
lineDotted – WordPress Icon Library