def rename_column(self, original_column_name: str, new_column_name: str) -> "IterableDatasetDict":
        """
        Rename a column in the dataset, and move the features associated to the original column under the new column
        name.
        The renaming is applied to all the datasets of the dataset dictionary.

        Args:
            original_column_name (`str`):
                Name of the column to rename.
            new_column_name (`str`):
                New name for the column.

        Returns:
            [`IterableDatasetDict`]: A copy of the dataset with a renamed column.

        Example: