src/vs/editor/contrib/gotoSymbol/peek/referencesController.ts/ReferencesController/revealReference
class ReferencesController:	async revealReference(reference: OneReference): Promise<void> {
		if (!this._editor.hasModel() || !this._model || !this._widget) {
			// can be called while still resolving...
			return;
		}

		await this._widget.revealReference(reference);
	}