I’ve looked through the documentation and searched for an effective solution, 
but I’ve been unsuccessful and hence my request for help.

I have an input json that’s nested, that is read via a JsonSlurper, and some of 
the keys have hyphens in them. I need to replace those keys that have hyphens 
with underscores and convert it back to json for downstream processing. I 
looked at the JsonGenerator.Options documentation and I could not find any 
documentation for this specific requirement. 

I also looked through options to iterate through the Map that is produced from 
JsonSlurper, but unfortunately I’m not able to find an effective solution that 
iterates through a nested Map, changes the keys and produces another Map which 
could be converted to a Json string.

Any guidance on this would be greatly appreciated.

Thank you.

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