case, they will both show.
        let liveVideoText = Array.from(
          container.querySelectorAll(
            "#inband-closed-caption > div > div > div"
          ),
          x => x.textContent.trim()
        )
          .filter(String)
          .join("\n");
        let regularVideoText = container.querySelector(".CaptionBox").innerText;

        updateCaptionsFunction(liveVideoText + regularVideoText);
      };

      // immediately invoke the callback function to add subtitles to the PiP window
      callback([1], null);

      this.captionsObserver = new MutationObserver(callback);

      this.captionsObserver.observe(container, {
        attributes: false,
        childList: true,
        subtree: true,
      });
    }
  }

  removeCaptionContainerObserver() {
    this.captionsObserver?.disconnect();
  }

  getDuration() {
    return this.player.duration;
  }
}

this.PictureInPictureVideoWrapper = PictureInPictureVideoWrapper;
PK