e id of the padding token in the xpath subscripts.
        xpath_tag_unit_hidden_size (`int`, *optional*, defaults to 32):
            The hidden size of each tree id unit. One complete tree index will have
            (50*xpath_tag_unit_hidden_size)-dim.
        max_depth (`int`, *optional*, defaults to 50):
            The maximum depth in xpath.

    Examples:

    ```python
    >>> from transformers import MarkupLMModel, MarkupLMConfig

    >>> # Initializing a MarkupLM microsoft/markuplm-base style configuration
    >>> configuration = MarkupLMConfig()

    >>> # Initializing a model from the microsoft/markuplm-base style configuration
    >>> model = MarkupLMModel(configuration)

    >>> # Accessing the model configuration
    >>> configuration = model.config
    ```Zmarkuplmé:w