Updated documentation

mediapipe/tasks/ios/vision/image_classifier/sources/MPPImageClassifierOptions.h

@@ -32,7 +32,24 @@ NS_ASSUME_NONNULL_BEGIN
  */
 NS_SWIFT_NAME(ImageClassifierDelegate)
 @protocol MPPImageClassifierDelegate <NSObject>
+
 @optional
+/**
+ * This method notifies a delegate that the results of asynchronous classification of
+ * an image submitted to the `MPPImageClassifier` is available.
+ * 
+ * This method is called on a private serial queue created by the `MPPImageClassifier`
+ * for performing the asynchronous delegates calls.
+ *
+ * @param imageClassifier The image classifier which performed the classification.
+ * This is useful to test equality when there are multiple instances of `MPPImageClassifier`. 
+ * @param result An `MPPImageClassifierResult` object that contains a list of image classifications.
+ * @param timestampInMilliseconds The timestamp (in milliseconds) which indicates when the input
+ * image was sent to the image classifier.
+ * @param error An optional error parameter populated when there is an error in performing image
+ * classification on the input live stream image data.
+ *
+ */
 - (void)imageClassifier:(MPPImageClassifier *)imageClassifier
     didFinishClassificationWithResult:(nullable MPPImageClassifierResult *)result
               timestampInMilliseconds:(NSInteger)timestampInMilliseconds

mediapipe/tasks/ios/vision/object_detector/sources/MPPObjectDetectorOptions.h

@@ -30,8 +30,29 @@ NS_ASSUME_NONNULL_BEGIN
  * The delegate of `MPPImageClassifier` must adopt `MPPImageClassifierDelegate` protocol.
  * The methods in this protocol are optional.
  */
+NS_SWIFT_NAME(ObjectDetectorDelegate)
 @protocol MPPObjectDetectorDelegate <NSObject>
+
 @optional
+
+/**
+ * This method notifies a delegate that the results of asynchronous object detection of
+ * an image submitted to the `MPPObjectDetector` is available.
+ * 
+ * This method is called on a private serial dispatch queue created by the `MPPObjectDetector`
+ * for performing the asynchronous delegates calls.
+ *
+ * @param objectDetector The object detector which performed the object detection.
+ * This is useful to test equality when there are multiple instances of `MPPObjectDetector`. 
+ * @param result The `MPPObjectDetectionResult` object that contains a list of detections, each detection
+ * has a bounding box that is expressed in the unrotated input frame of reference coordinates
+ * system, i.e. in `[0,image_width) x [0,image_height)`, which are the dimensions of the underlying
+ * image data.
+ * @param timestampInMilliseconds The timestamp (in milliseconds) which indicates when the input
+ * image was sent to the object detector.
+ * @param error An optional error parameter populated when there is an error in performing object detection on the input live stream image data.
+ *
+ */
 - (void)objectDetector:(MPPObjectDetector *)objectDetector
     didFinishDetectionWithResult:(nullable MPPObjectDetectionResult *)result
          timestampInMilliseconds:(NSInteger)timestampInMilliseconds