docs: public void init(Email annotation, PropertyMetadata propertyMetadata)
      {
          m_propertyMetadata = propertyMetadata;
          m_pattern = java.util.regex.Pattern.compile("^" + ATOM + "+(\\." + ATOM + "+)*@"
                  + DOMAIN
                  + "|"
                  + IP_DOMAIN
                  + ")$",
          java.util.regex.Pattern.CASE_INSENSITIVE
  );
          m_message = annotation.message();
      }