HasExtraJson (Buck)

All Known Implementing Classes:

JsBundleDescriptionArg, JsLibraryDescriptionArg
```
public interface HasExtraJson
```
Common interface for rule args that have used-defined JSON that is passed on to the worker.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  Optional<StringWithMacros> getExtraJson()
  A JSON string, optionally containing macros.

- Method Detail
  - getExtraJson
```
Optional<StringWithMacros> getExtraJson()
```
    A JSON string, optionally containing macros. Macros can be escaped for embedding into strings.