discussion about Laughing-train - java code refactoring tool based on Spoon

(follow up of https://github.com/INRIA/spoon/pull/4400#issuecomment-1006397363)

Spoon contributor and integrator @MartinWitt is working on a java code refactoring tool based on Spoon:

https://github.com/MartinWitt/laughing-train

Read the follow-up discussion on pull request #4400 and the linked laughing-train repository. The issue names no Spoon file, test, entry point, requested change, or acceptance condition, so clarify whether work is needed in Spoon and define what done means before starting.

Written by the indexing model from the issue text.