message: Add extra comments in header file.
diff: @@ -64,6 +64,9 @@ class ImagePreprocessor : public Preprocessor {
  // only supported colorspace for now),
  // - rotate it according to its `Orientation` so that inference is performed
  // on an "upright" image.
  + //
  + // NOTE: In case the model has dynamic input shape, the method would re-dim
  + // the entire graph based on the dimensions of the image.
  absl::Status Preprocess(const vision::FrameBuffer& frame_buffer);
  // Same as above, except based on the input region of interest.
  