@Override
    public org.apache.kafka.common.config.Config validate(Map<String, String> props) {
        List<ConfigValue> configValues = super.validate(props).configValues();
        validateExactlyOnceConfigs(props, configValues);
        validateEmitOffsetSyncConfigs(props, configValues);

        return new org.apache.kafka.common.config.Config(configValues);
    }
Replicate data, configuration, and ACLs between clusters.

 @see MirrorSourceConfig for supported config properties.
connect/mirror/src/main/java/org/apache/kafka/connect/mirror/MirrorSourceConnector.java