docs: protected ParsableBox createMoov(Movie movie) {
          MovieBox movieBox = new MovieBox();
  
          movieBox.addBox(createMvhd(movie));
          for (Track track : movie.getTracks()) {
              movieBox.addBox(createTrak(track, movie));
          }
          movieBox.addBox(createMvex(movie));
  
          // metadata here
          return movieBox;
      }