code: public boolean isAssignableTo(Class<?> target) {
  
          LettuceAssert.notNull(target, "Target type must not be null");
  
          return LettuceClassUtils.isAssignable(target, getParameterType());
      }
docs: Check whether the parameter is assignable to {@code target}.
  
  @param target must not be {@literal null}.
  @return