code: function unwrapList(opts: Options, change: Change): Change {
      const items = getItemsAtRange(opts, change.value);
  
      if (items.isEmpty()) {
          return change;
      }
  
      // Unwrap the items from their list
      items.forEach(item =>
          change.unwrapNodeByKey(item.key, { normalize: false })
      );
  
      // Parent of the list of the items
      const firstItem = items.first();
      const parent = change.value.document.getParent(firstItem.key);
  
      let index = parent.nodes.findIndex(node => node.key === firstItem.key);
  
      // Unwrap the items' children
      items.forEach(item => {
          item.nodes.forEach(node => {
              change.moveNodeByKey(node.key, parent.key, index, {
                  normalize: false
              });
              index += 1;
          });
      });
  
      // Finally, remove the now empty items
      items.forEach(item =>
          change.removeNodeByKey(item.key, { normalize: false })
      );
  
      return change;
  }
docs: Unwrap items at range from their list.