public AnomalyUnusual withBehavior(java.util.Map<String, java.util.Map<String, AnomalyObject>> behavior) {
        setBehavior(behavior);
        return this;
    }
<p>
The behavior of the anomalous activity that caused GuardDuty to generate the finding.
</p>

@param behavior
       The behavior of the anomalous activity that caused GuardDuty to generate the finding.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-guardduty/src/main/java/com/amazonaws/services/guardduty/model/AnomalyUnusual.java