public void setUnsuccessfulFaceAssociations(java.util.Collection<UnsuccessfulFaceAssociation> unsuccessfulFaceAssociations) {
        if (unsuccessfulFaceAssociations == null) {
            this.unsuccessfulFaceAssociations = null;
            return;
        }

        this.unsuccessfulFaceAssociations = new java.util.ArrayList<UnsuccessfulFaceAssociation>(unsuccessfulFaceAssociations);
    }
<p>
An array of UnsuccessfulAssociation objects containing FaceIDs that are not successfully associated along with
the reasons. Returned if the AssociateFaces action is successful.
</p>

@param unsuccessfulFaceAssociations
       An array of UnsuccessfulAssociation objects containing FaceIDs that are not successfully associated along
       with the reasons. Returned if the AssociateFaces action is successful.
aws-java-sdk-rekognition/src/main/java/com/amazonaws/services/rekognition/model/AssociateFacesResult.java