code: public DefaultSwidProcessor setTagCreator(final String tagCreatorName, final String tagCreatorRegId) {
          swidTag.setTagCreator(
                  new EntityComplexType(
                          new Token(tagCreatorName, idGenerator.nextId()),
                          new RegistrationId(tagCreatorRegId, idGenerator.nextId()),
                          idGenerator.nextId()));
          return this;
      }
docs: <p>
  Identifies the tag creator (tag: tag_creator).
  </p>
  <p>
  Example data format: <i>“regid.2010-04.com.labs64,NLIC”</i> where:
  <ul>
  <li>regid = registered id</li>
  <li>2010-04 = the year and first month the domain was registered (yyyy-mm)</li>
  <li>com = the upper level domain</li>
  <li>labs64 = the domain name</li>
  <li>NLIC = the name of the business unit (BU) that created the SWID tag</li>
  </ul>
  <p>
  Note that everything after the comma ‘,’ is optional and only required if a software title is specific
  </p>
  
  @param tagCreatorName
  tag creator name
  @param tagCreatorRegId
  tag creator registration ID
  @return a reference to this object.