ResumePositionCounter (rsocket-core 0.12.1-RC2 API)

```
public interface ResumePositionCounter
```
Calculates the cost of a Frame when stored in the ResumeCache. Two obvious and provided strategies are simple frame counts and size in bytes.

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`int`	`cost(ByteBuf f)`
`static ResumePositionCounter`	`frames()`
`static ResumePositionCounter`	`size()`

Interface ResumePositionCounter