return builder.build();
    }

    private static InputFileChanges caching(InputFileChanges wrapped) {
        CachingChangeContainer cachingChangeContainer = new CachingChangeContainer(MAX_OUT_OF_DATE_MESSAGES, wrapped);
        return new InputFileChangesWrapper(wrapped, cachingChangeContainer);
    }

    private static ChangeContainer errorHandling(Describable executable, ChangeContainer wrapped) {