| Package | Description | 
|---|---|
| io.netty.channel | The core channel API which is asynchronous and event-driven abstraction of
 various transports such as a
 NIO Channel. | 
| io.netty.channel.nio | NIO-based channel
 API implementation - recommended for a large number of connections (>= 1000). | 
| Modifier and Type | Class and Description | 
|---|---|
| protected class  | AbstractChannel.AbstractUnsafeUnsafeimplementation which sub-classes must extend and use. | 
| Modifier and Type | Method and Description | 
|---|---|
| Channel.Unsafe | Channel. unsafe()Returns an internal-use-only object that provides unsafe operations. | 
| Channel.Unsafe | AbstractChannel. unsafe() | 
| Modifier and Type | Interface and Description | 
|---|---|
| static interface  | AbstractNioChannel.NioUnsafeSpecial  Unsafesub-type which allows to access the underlyingSelectableChannel | 
| Modifier and Type | Class and Description | 
|---|---|
| protected class  | AbstractNioByteChannel.NioByteUnsafe | 
| protected class  | AbstractNioChannel.AbstractNioUnsafe | 
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