public void setLevel1(AgentHierarchyGroup level1) {
        this.level1 = level1;
    }
<p>
The group at level one of the agent hierarchy.
</p>

@param level1
       The group at level one of the agent hierarchy.
aws-java-sdk-connect/src/main/java/com/amazonaws/services/connect/model/HierarchyGroups.java