src/vs/editor/contrib/suggest/browser/suggestWidget.ts/SuggestWidget/toggleDetailsFocus
class SuggestWidget:	toggleDetailsFocus(): void {
		if (this._state === State.Details) {
			this._setState(State.Open);
			this._details.widget.domNode.classList.remove('focused');

		} else if (this._state === State.Open && this._isDetailsVisible()) {
			this._setState(State.Details);
			this._details.widget.domNode.classList.add('focused');
		}
	}