garyrussell/spring-integration — comment on commit 59e7128e47dc216f721e7256cb43bf3169939771
File:  line 0
By artembilan:

How about feed:inbound-channel-adapter, inboundMailAdapterType, base-ftp-adapter-type and etc.
Search pattern whole project: **xsd:attribute name="channel".*?use="required"**
Is it separate issue?