A (very quick) word of warning to any software developer considering using the JSON/XML document translation software AtlasMap (https://www.atlasmap.io).
Don’t.
At least not until they decide to join the real world and fix a major shortcoming: see this (laughable) bug report:
https://github.com/atlasmap/atlasmap/issues/3353
Talk about missing critical functionality. Don’t let them…