code: public static BeanMap create(Class srcClass) {
          BeanMappingObject describeConfig = BeanMappingConfigHelper.getInstance().getBeanMapObject(srcClass, Map.class,
                                                                                                    true);
  
          BeanMappingObject populateConfig = BeanMappingConfigHelper.getInstance().getBeanMapObject(Map.class, srcClass,
                                                                                                    true);
          return new BeanMap(describeConfig, populateConfig);
      }
docs: 创建srcClass和targetClass之间的BeanMapping操作