docs: @Nonnull
    public static EmailData createEmailData (@Nonnull final EEmailType eEmailType,
                                             @Nullable final IEmailAddress aSender,
                                             @Nullable final IEmailAddress aReceiver,
                                             @Nullable final String sSubject,
                                             @Nullable final String sBody,
                                             @Nullable final IMutableEmailAttachmentList aAttachments)
    {
      final EmailData aEmailData = new EmailData (eEmailType);
      aEmailData.setFrom (aSender);
      aEmailData.setTo (aReceiver);
      aEmailData.setSubject (sSubject);
      aEmailData.setBody (sBody);
      aEmailData.setAttachments (aAttachments);
      return aEmailData;
    }