HasDefaultWatermarkEstimator (Apache Beam 2.27.0)

```
public interface HasDefaultWatermarkEstimator<WatermarkEstimatorStateT,WatermarkEstimatorT extends WatermarkEstimator<WatermarkEstimatorStateT>>
```
Interface for watermark estimator state for which a default implementation of DoFn.NewWatermarkEstimator is available, depending only on the watermark estimator state itself.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`WatermarkEstimatorT`	`newWatermarkEstimator()` Creates a new watermark estimator for `this`.

Interface HasDefaultWatermarkEstimator<WatermarkEstimatorStateT,WatermarkEstimatorT extends WatermarkEstimator<WatermarkEstimatorStateT>>