artembilan/spring-integration — comment on commit eebb7cedab6fa6fdccf2c15895f2b12793b2ae84
File: spring-integration-core/src/main/java/org/springframework/integration/config/xml/DefaultInboundChannelAdapterParser.java line 51
By olegz:

You can add it easily via IntegrationNamespaceUtils.parseInnerHandlerDefinition(..)