@ModuleOption("kafka consumer configuration group id")
	public void setGroupId(String groupId) {
		this.groupId = groupId;
	}
Module options for Kafka source module.

@author Ilayaperumal Gopinathan
@author Marius Bogoevici
extensions/spring-xd-extension-kafka/src/main/java/org/springframework/integration/x/kafka/KafkaSourceModuleOptionsMetadata.java