public AbstractApiDocRegistrar buildApiDocRegistrar(final ShenyuClientRegisterEventPublisher publisher,
                                                        final ClientRegisterConfig clientRegisterConfig) {
        return new HttpApiDocRegistrar(publisher, clientRegisterConfig);
    }
Builds ApiDocRegistrar  Bean.

@param publisher            publisher
@param clientRegisterConfig clientRegisterConfig
@return ApiDocRegistrar
shenyu-spring-boot-starter/shenyu-spring-boot-starter-client/shenyu-spring-boot-starter-client-springmvc/src/main/java/org/apache/shenyu/springboot/starter/client/springmvc/ShenyuSpringMvcClientInfoRegisterConfiguration.java