Is it possible to define an optional property in a concept?

Hi,
I have written a DSL Plugin Solution in MPS which uses 3rd Party Java API(jar) to do some opeartion. I have imported the jar as java stubs and added the java stubs as imported modules in Dependency Tab and was able to compile successfully.However while running the plugin, I am getting NoClassDef error which means  the classes are not loaded at runtime. Any Idea, how do I resolve this?  

Cheers
Kunal
2 comments
Sure. Just set the editor cell for the property accordingly:
  • allow empty: true
  • text*: <whatever you want to see for an empty value>
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