@Override
			public Iterable<BaseDefinition> findAll() {
				return Iterables.concat(delegate.repository.findAll(), store.values());
			}
A throwaway repository that is used during multi-definition parsing. "Sees" definitions that are
known to the real {@link #repository} and stores new definitions in an in-memory map.

@author Eric Bottard
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/stream/XDStreamParser.java