beautifyJSON(files, options)
files = a (single or array of) file names, JSON strings, or JSON Objects.
options = UglifyJS minify options.
NEW OPTIONS:
fromObject:true allows passing a JSON object or an array of JSON objects.
replacer:function(key, oldValue){ return newValue; }
replacer:["Array", "of", "kept", "properties", "all", "others", "discarded"]
UNSUPPORTED: (Source Maps):true, compress:true, quote_keys:false.
WARNING: All input is run through JSON.stringify() which will change some invalid
values (like NaN and infinity) and error on others (like incorrect syntax).
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