3.2.1.2.1. No filters, json and json-full exports

$ # export as STR (the default) to STDOUT
$ axonshell adapters get

$ # export as JSON to a file
$ axonshell adapters get --export-format json > adapters.json

$ # export as JSON-FULL to a file to show additional details
$ axonshell adapters get --export-format json-full > adapters.json