Map<String, String> toAcceptedChangesMap() {
        acceptedChanges.collectEntries { change ->
            [(new Gson().toJson(change.key)): change.value]
        }
    }

    static Map<ApiChange, String> fromAcceptedChangesMap(Map<String, String> acceptedChanges) {
        acceptedChanges.collectEntries { key, value ->
            [(new Gson().fromJson(key, ApiChange)): value]
        }
    }

        Map<String, String> acceptedApiChanges = (Map<String, String>)params.get("acceptedApiChanges")
        this.acceptedApiChanges = acceptedApiChanges ? AcceptedApiChanges.fromAcceptedChangesMap(acceptedApiChanges) : [:]

        // Tests will not supply these
        this.mainApiChangesJsonFile = params.get("mainApiChangesJsonFile") ? new File(params.get("mainApiChangesJsonFile") as String) : null