docs: public String getMDBProxyClassName()
      {
          StringBuilder result = new StringBuilder();
  
          // Use the package of the MDB implementation.
          String packageName = packageName(ivBeanClass);
  
          if (packageName != null) {
              result.append(packageName);
              result.append('.');
          }
  
          result.append(mdbProxyPrefix); // MDBProxy
          result.append(ivBeanName); // First 32 characters
          result.append('_');
          result.append(ivHashSuffix); // 8 digit hashcode
  
          return result.toString();
      }