Materialization (core 2.44.0 API)

```
@Internal
public interface Materialization<T>
```
For internal use only; no backwards-compatibility guarantees.
How a view should be physically materialized by a PipelineRunner.
A PipelineRunner will support some set of materializations, and will reject ViewFns that require materializations it does not support. See Materializations for known implementations.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.String getUrn()
  Gets the URN describing this Materialization.

- Method Detail
  - getUrn
```
java.lang.String getUrn()
```
    Gets the URN describing this Materialization. This is a stable, SDK-independent URN understood by a PipelineRunner.