code: private Map < String, String > generateConverterClasses(
              String xmlSchemaSource, String targetPackageName) {
  
          log.debug("Converter support classes generation started");
          Map < String, String > codeMap = xsd2CobolTypes.generate(
                  new StringReader(xmlSchemaSource), targetPackageName);
          if (log.isDebugEnabled()) {
              log.debug("Generated converter support classes: ");
              for (String code : codeMap.values()) {
                  log.debug(code);
                  log.debug("\n");
              }
          }
          log.debug("Converter support classes generation ended");
          return codeMap;
      }
docs: Produce the LegStar converter support classes.
  
  @param xmlSchemaSource the XML schema source
  @param targetPackageName the target Avro package name
  @return a map of lass names associated with their code