src/vs/editor/contrib/tokenization/browser/tokenization.ts/ForceRetokenizeAction/run
class ForceRetokenizeAction:	public run(accessor: ServicesAccessor, editor: ICodeEditor): void {
		if (!editor.hasModel()) {
			return;
		}
		const model = editor.getModel();
		model.tokenization.resetTokenization();
		const sw = new StopWatch(true);
		model.tokenization.forceTokenization(model.getLineCount());
		sw.stop();
		console.log(`tokenization took ${sw.elapsed()}`);

	}