docs: protected final CnvObjectToColumnsValues
      lazyGetCnvObjectToColumnsValues(
        final Class pBeanClass) throws Exception {
      @SuppressWarnings("unchecked")
      CnvObjectToColumnsValues<Object> convrt =
        (CnvObjectToColumnsValues<Object>)
          this.convertersMap.get(pBeanClass);
      if (convrt == null) {
        convrt = new CnvObjectToColumnsValues<Object>();
        convrt.setLogger(getLogger());
        convrt.setTablesMap(getTablesMap());
        convrt.setFieldsConvertersNamesHolder(getFieldsConvertersNamesHolder());
        convrt.setGettersRapiHolder(getGettersRapiHolder());
        convrt.setFieldsRapiHolder(getFieldsRapiHolder());
        convrt.setFieldsConvertersFatory(getFieldsConvertersFatory());
        convrt.setObjectClass(pBeanClass);
        //assigning fully initialized object:
        this.convertersMap.put(pBeanClass, convrt);
      }
      return convrt;
    }