public void setGroupId(String groupId) {
        this.groupId = groupId;
    }
<p>
The group ID of the Maven reference.
</p>

@param groupId
       The group ID of the Maven reference.
aws-java-sdk-kinesisanalyticsv2/src/main/java/com/amazonaws/services/kinesisanalyticsv2/model/MavenReference.java