code: public boolean supportMethod(String msId) {
          Class<?> mapperClass = getMapperClass(msId);
          if (mapperClass != null && this.mapperClass.isAssignableFrom(mapperClass)) {
              String methodName = getMethodName(msId);
              return methodMap.get(methodName) != null;
          }
          return false;
      }
docs: 是否支持该通用方法
  
  @param msId
  @return