public void setHumanLoopActivationReasons(java.util.Collection<String> humanLoopActivationReasons) {
        if (humanLoopActivationReasons == null) {
            this.humanLoopActivationReasons = null;
            return;
        }

        this.humanLoopActivationReasons = new java.util.ArrayList<String>(humanLoopActivationReasons);
    }
<p>
Shows if and why human review was needed.
</p>

@param humanLoopActivationReasons
       Shows if and why human review was needed.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/HumanLoopActivationOutput.java