KeyExtractor (Couchbase Java DCP Client 0.36.0 API)

```
public interface KeyExtractor
```
Knows how to parse the collection ID out of a message's key field.

Fields
Modifier and Type	Field and Description
`static KeyExtractor`	`COLLECTIONS`
`static KeyExtractor`	`NO_COLLECTIONS`

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`CollectionIdAndKey`	`getCollectionIdAndKey(io.netty.buffer.ByteBuf event)`

static final KeyExtractor NO_COLLECTIONS

CollectionIdAndKey getCollectionIdAndKey(io.netty.buffer.ByteBuf event)

Interface KeyExtractor