docs: private int getDynamicTotalFieldSize(Object bean, Charset charset) {
          try {
              int dynamicFieldSize = getDynamicFieldSize(bean, charset);
              return fieldsTotalSize + dynamicFieldSize;
          } catch (NoSuchMethodException ie) {
              LOGGER.debug("Cannot invoke get methed: ", ie);
              throw new FdfsColumnMapException(ie);
          } catch (IllegalAccessException iae) {
              LOGGER.debug("Illegal access: ", iae);
              throw new FdfsColumnMapException(iae);
          } catch (InvocationTargetException ite) {
              LOGGER.debug("Cannot invoke method: ", ite);
              throw new FdfsColumnMapException(ite);
          }
      }