in amplify/backend/function/amplifyIdentityBrokerCustomMessage/src/custom.js [44:57]
I18N.prototype.setLanguage = function(language){
// If language not known in list we set English
switch(language){
case "fr":
case "de":
case "nl":
case "en":
this.language = language;
break;
default:
console.log("Unsupported language " + language + " set English");
this.language = "en";
}
}