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

        this.reasons = new java.util.ArrayList<String>(reasons);
    }
<p>
Reasons why a face wasn't used for Search.
</p>

@param reasons
       Reasons why a face wasn't used for Search.
@see UnsearchedFaceReason
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/UnsearchedFace.java