public void setUnsuccessfulFaceDeletions(java.util.Collection<UnsuccessfulFaceDeletion> unsuccessfulFaceDeletions) {
        if (unsuccessfulFaceDeletions == null) {
            this.unsuccessfulFaceDeletions = null;
            return;
        }

        this.unsuccessfulFaceDeletions = new java.util.ArrayList<UnsuccessfulFaceDeletion>(unsuccessfulFaceDeletions);
    }
<p>
An array of any faces that weren't deleted.
</p>

@param unsuccessfulFaceDeletions
       An array of any faces that weren't deleted.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/DeleteFacesResult.java