Template:LangSwitch/doc

TemplateData
{	"params": { "lang": { "label": "Language Code", "description": "The ISO 639 language code.", "required": true, "type": "string" },		"default": { "label": "Default Fallback", "description": "The default fallback result, used when the page language is not provided.", "suggested": true, "type": "content" },		"en": { "label": "English", "description": "Used when the language is English or if `default` and the page language is not provided.", "suggested": true, "type": "content" }	} }