@Override
    public void configure(Map<String, ?> configs) {
        log.info("Setting up Principal policy for ConnectorClientConfigOverride. This will allow `sasl` client configuration to be "
                 + "overridden.");
    }
Allows all {@code sasl} configurations to be overridden via the connector configs by setting {@code connector.client.config.override.policy} to
{@code Principal}. This allows to set a principal per connector.
connect/runtime/src/main/java/org/apache/kafka/connect/connector/policy/PrincipalConnectorClientConfigOverridePolicy.java