delete all $~json.cache[n] variables, up to $json.config.cache.maxdepth.

[dansmith65]

There is a temporary method in place for this, and a comment in the code, along with an idea for an alternative method.

FileMaker-JSON-Functions/Functions/z_jsonParseSupport1.fmfn

Line 689 in 26ab182

/* TODO: This method is temporary: do it properly