public GroupSummary withGroupName(String groupName) {
        setGroupName(groupName);
        return this;
    }
<p>
The unique case-sensitive name of the group.
</p>

@param groupName
       The unique case-sensitive name of the group.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-xray/src/main/java/com/amazonaws/services/xray/model/GroupSummary.java