```
public class WatermarkEstimators
extends java.lang.Object
```
A set of WatermarkEstimators that users can use to advance the output watermark for their associated splittable DoFns.

Nested Classes
Modifier and Type	Class	Description
`static class`	`WatermarkEstimators.Manual`	Concrete implementation of a `ManualWatermarkEstimator`.
`static class`	`WatermarkEstimators.MonotonicallyIncreasing`	A watermark estimator that observes timestamps of records output from a DoFn reporting the timestamp of the last element seen as the current watermark.
`static class`	`WatermarkEstimators.WallTime`	A watermark estimator that tracks wall time.

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Class WatermarkEstimators