class I18n::Backend::LazyLoadable

def filenames_for_current_locale

followed by an "_" demarcation to separate proceeding text.
These files must start with the locale identifier (ie. "en", "pt-BR"),
Select all files from I18n load path that belong to current locale. 
def filenames_for_current_locale
  I18n.load_path.flatten.select do |path|
    LocaleExtractor.locale_from_path(path) == I18n.locale
  end
end