code: public void setFaceMatches(java.util.Collection<CompareFacesMatch> faceMatches) {
          if (faceMatches == null) {
              this.faceMatches = null;
              return;
          }
  
          this.faceMatches = new java.util.ArrayList<CompareFacesMatch>(faceMatches);
      }
docs: <p>
  An array of faces in the target image that match the source image face. Each <code>CompareFacesMatch</code>
  object provides the bounding box, the confidence level that the bounding box contains a face, and the similarity
  score for the face in the bounding box and the face in the source image.
  </p>
  
  @param faceMatches
  An array of faces in the target image that match the source image face. Each
  <code>CompareFacesMatch</code> object provides the bounding box, the confidence level that the bounding
  box contains a face, and the similarity score for the face in the bounding box and the face in the source
  image.