code: public void setFaceRecords(java.util.Collection<FaceRecord> faceRecords) {
          if (faceRecords == null) {
              this.faceRecords = null;
              return;
          }
  
          this.faceRecords = new java.util.ArrayList<FaceRecord>(faceRecords);
      }
docs: <p>
  An array of faces detected and added to the collection. For more information, see Searching Faces in a Collection
  in the Amazon Rekognition Developer Guide.
  </p>
  
  @param faceRecords
  An array of faces detected and added to the collection. For more information, see Searching Faces in a
  Collection in the Amazon Rekognition Developer Guide.