 
         // Create an ImageSegmentator instance and return.
         let segmentator = ImageSegmentator(
+          tfLiteQueue: tfLiteQueue,
           interpreter: interpreter,
           inputShape: inputShape,
           outputShape: outputShape,

  /// TensorFlow Lite `Interpreter` object for performing inference on a given model.
  private var interpreter: Interpreter

  /// TF Lite Model's input and output shapes.
  private let batchSize: Int
  private let inputImageWidth: Int


  /// Initialize Image Segmentator instance.
  fileprivate init(
    tfLiteQueue: DispatchQueue,
    interpreter: Interpreter,
    inputShape: Tensor.Shape,
    outputShape: Tensor.Shape,
