src/vs/workbench/contrib/files/browser/explorerViewlet.ts/ExplorerViewletViewsContribution/onConfigurationUpdated
class ExplorerViewletViewsContribution:	private onConfigurationUpdated(e: IConfigurationChangeEvent): void {
		if (e.affectsConfiguration('explorer.openEditors.visible')) {
			this.updateOpenEditorsVisibility();
		}
	}