src/vs/workbench/contrib/terminal/browser/xterm/xtermTerminal.ts/XtermTerminal/_getSearchAddonConstructor
class XtermTerminal:	protected async _getSearchAddonConstructor(): Promise<typeof SearchAddonType> {
		if (!SearchAddon) {
			SearchAddon = (await import('xterm-addon-search')).SearchAddon;
		}
		return SearchAddon;
	}