PregelSchema (pregel 2.0.0-alpha02 API)

```
public interface PregelSchema
```

- Nested Class Summary
  
  Nested Classes
  Modifier and Type Interface Description
  
  static class PregelSchema.Builder
  
  static class PregelSchema.Visibility
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.util.Set<Element> elements()

- Method Detail
  - elements
```
java.util.Set<Element> elements()
```