@Override
    public synchronized void removeConnectorConfig(String connector) {
        ConnectorState state = connectors.remove(connector);

        if (updateListener != null && state != null)
            updateListener.onConnectorConfigRemove(connector);
    }
An implementation of ConfigBackingStore that stores Kafka Connect connector configurations in-memory (i.e. configs
aren't persisted and will be wiped if the worker is restarted).
connect/runtime/src/main/java/org/apache/kafka/connect/storage/MemoryConfigBackingStore.java