src/vs/base/common/platform.ts/isDefaultVariant
	export function isDefaultVariant(): boolean {
		if (language.length === 2) {
			return language === 'en';
		} else if (language.length >= 3) {
			return language[0] === 'e' && language[1] === 'n' && language[2] === '-';
		} else {
			return false;
		}
	}