commandFacadeHandlerFunctionFactory
@Bean
@Order(value = -2147483648)
@ConditionalOnMissingBean(name = ["commandFacadeHandlerFunctionFactory"] )
command
fun commandFacadeHandlerFunctionFactory(commandGateway: CommandGateway, commandMessageFactory: CommandMessageFactory, exceptionHandler: RequestExceptionHandler): CommandFacadeHandlerFunctionFactory