@Override
        public String toString() {
            return "Key{" +
                    "capacity=" + capacity +
                    ", insertionTime=" + insertionTime +
                    '}';
        }
Perform work with a {@link ByteBuffer} obtained from the pool. The {@link ByteBuffer}
must not be used outside of the work lambda.
stroom-bytebuffer/src/main/java/stroom/bytebuffer/ByteBufferPoolImpl.java