public void setUnsearchedFaces(java.util.Collection<UnsearchedFace> unsearchedFaces) {
        if (unsearchedFaces == null) {
            this.unsearchedFaces = null;
            return;
        }

        this.unsearchedFaces = new java.util.ArrayList<UnsearchedFace>(unsearchedFaces);
    }
<p>
List of UnsearchedFace objects. Contains the face details infered from the specified image but not used for
search. Contains reasons that describe why a face wasn't used for Search.
</p>

@param unsearchedFaces
       List of UnsearchedFace objects. Contains the face details infered from the specified image but not used
       for search. Contains reasons that describe why a face wasn't used for Search.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/SearchUsersByImageResult.java