in src/main/java/org/apache/geode/kafka/sink/GeodeSinkConnectorConfig.java [42:47]
public GeodeSinkConnectorConfig(Map<String, String> connectorProperties) {
super(SINK_CONFIG_DEF, connectorProperties);
topicToRegions = parseTopicToRegions(getString(TOPIC_TO_REGION_BINDINGS));
nullValueBehavior = GeodeSinkConfigurationConstants.NullValueBehavior
.valueOf(getString(NULL_VALUES_BEHAVIOR).toUpperCase());
}