public abstract bool DeleteLanguageFromCountry(Country country);
public abstract bool AddLanguageToCountry(Country country, string lang);
public abstract bool DeleteCountry(Country country);
public abstract bool SaveCountry(Country country);
public abstract bool UpdateCountry(Country country);
// Null on errors. Takes the first matching language for country, assuming 1 country has 1 language only. public abstract string GetLanguageForCountry(Country country);
public override bool AddLanguageToCountry(Country country, string lang) { throw new NotImplementedException(); }
public override bool UpdateCountry(Country country) { throw new NotImplementedException(); }
public override string GetLanguageForCountry(Country country) { throw new NotImplementedException(); }
public override bool DeleteLanguageFromCountry(Country country) { throw new NotImplementedException(); }