src/vs/platform/opener/browser/link.ts/Link/link
class Link:	set link(link: ILinkDescriptor) {
		if (typeof link.label === 'string') {
			this.el.textContent = link.label;
		} else {
			clearNode(this.el);
			this.el.appendChild(link.label);
		}

		this.el.href = link.href;

		if (typeof link.tabIndex !== 'undefined') {
			this.el.tabIndex = link.tabIndex;
		}

		if (typeof link.title !== 'undefined') {
			this.el.title = link.title;
		}

		this._link = link;
	}