/**
     * Sent after the cache has been cleaned up.
     */
    public interface Result {

        /**
         * The number of cache entries deleted during this clean up.
         */
        long getDeletedEntriesCount();

        /**
         * The timestamp the last cleanup was performed.
         */
        Instant getPreviousCleanupTime();
    }

            this.deletedEntriesCount = deletedEntriesCount;
            this.previousCleanupTime = previousCleanupTime;
        }

        @Override
        public long getDeletedEntriesCount() {
            return deletedEntriesCount;
        }

        @Override
        public Instant getPreviousCleanupTime() {
            return previousCleanupTime;
        }
    }