An evaluator that calculates the edit distance between JSON strings.
This evaluator computes a normalized Damerau-Levenshtein distance between two JSON strings after parsing them and converting them to a canonical format (i.e., whitespace and key order are normalized). It can be customized with alternative distance and canonicalization functions.
A callable that converts a parsed JSON object into its canonical string form. If not provided, the default behavior is to serialize the JSON with sorted keys and no extra whitespace.
