code: function clearCell(opts: Options, change: Change, cell: Block): Change {
      const newBlock = Block.create({ type: opts.typeContent });
      const { nodes } = cell;
  
      // Insert a new empty node
      change.insertNodeByKey(cell.key, 0, newBlock, { normalize: false });
  
      // Remove all previous nodes
      nodes.forEach(node => {
          change.removeNodeByKey(node.key);
      });
  
      change.normalizeNodeByKey(cell.key);
  
      return change;
  }
docs: Clear the content of the given cell