public static List<Map<String, String>> reverseTransform(String connName,
                                                             ClusterConfigState configState,
                                                             List<Map<String, String>> configs) {

        // Find the config keys in the raw connector config that have variable references
        Map<String, String> rawConnConfig = configState.rawConnectorConfig(connName);
        Set<String> connKeysWithVariableValues = keysWithVariableValues(rawConnConfig, ConfigTransformer.DEFAULT_PATTERN);

        List<Map<String, String>> result = new ArrayList<>();
        for (Map<String, String> config : configs) {
            Map<String, String> newConfig = new HashMap<>(config);
            for (String key : connKeysWithVariableValues) {
                if (newConfig.containsKey(key)) {
                    newConfig.put(key, rawConnConfig.get(key));
                }
            }
            result.add(newConfig);
        }
        return result;
    }
Checks a given {@link ConfigInfos} for validation error messages and adds an exception
to the given {@link Callback} if any were found.

@param configInfos configInfos to read Errors from
@param callback callback to add config error exception to
@return true if errors were found in the config
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/AbstractHerder.java