setLanguagePreferencer method
Set language preferencer
length of value
is 2.
Implementation
setLanguagePreferencer(String value) {
if (value.length != 2) {
throw ValueLengthErr(title: "LanguagePreferencer", length: "2");
}
final languagePreference =
setTLV(value, MerchantInformationID.languagePreference);
this.value = this.value.copyWith(languagePreference: languagePreference);
}