private PooledDataBuffer withNettyDataBufferFactory(HttpData data) {
        return ((NettyDataBufferFactory) delegate).wrap(data.byteBuf());
    }
Returns a {@link PooledDataBuffer} which will be released after consuming by the consumer.
Currently, the {@link NettyDataBuffer} is only one implementation of the {@link PooledDataBuffer}
which is exposed to the public API.
spring/spring6/src/main/java/com/linecorp/armeria/spring/internal/common/DataBufferFactoryWrapper.java