ntinel = () => {
      let styleSentinel = getColorSchemeSentinel();
      if (styleSentinel !== null) {
        return styleSentinel === "alternate";
      } else {
        return false;
      }
    }
    const setStyleSentinel = (alternate) => {
      const value = alternate ? "alternate" : "default";
      if (!isFileUrl()) {
        window.localStorage.setItem("quarto-color-scheme", value);
      } else {
        localAlternateSentinel = value;
      }
    }
    const getColorSchemeSentinel = () => {
  