## 接口的使用
org.springframework.core.io.buffer.PooledDataBuffer

- 使用PooledDataBuffer的程序包
  程序包 | 说明
  --- | ---
  org.springframework.core.io.buffer | Generic abstraction for working with byte buffer implementations.

- - ### org.springframework.core.io.buffer中PooledDataBuffer的使用

    实现PooledDataBuffer的org.springframework.core.io.buffer中的类
    限定符和类型 | 类和说明
    --- | ---
    `class` | `NettyDataBuffer` Implementation of the `DataBuffer` interface that wraps a Netty `ByteBuf`.

    返回PooledDataBuffer的org.springframework.core.io.buffer中的方法
    限定符和类型 | 方法和说明
    --- | ---
    `PooledDataBuffer` | NettyDataBuffer.`retain()`
    `PooledDataBuffer` | PooledDataBuffer.`retain()` Increase the reference count for this buffer by one.