You usually wouldn't want to do that. This is because this sitemap module out of the box generates hreflang sitemaps, which means putting all links to all languages in one sitemap. With version 3.x it is technically possible to do it however, you'd have to create sitemap/URL generator plugins, see this issue.
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You usually wouldn't want to do that. This is because this sitemap module out of the box generates hreflang sitemaps, which means putting all links to all languages in one sitemap. With version 3.x it is technically possible to do it however, you'd have to create sitemap/URL generator plugins, see this issue.