Interface Consumer

puree/src/main/java/com/cookpad/puree/PureeLogger.java:102–105

    }

    public interface Consumer<T> {

        void accept(@Nonnull T value);
    }

    public void forEachOutput(Consumer<PureeOutput> f) {
        for (List<PureeOutput> outputs : new HashSet<>(sourceOutputMap.values())) {