def METHOD_NAME(base_trace_node: TraceNode):
    """
    Construct an instance of the DataValidator
    (this is the validator that inputs a list of traces)
    Parameters
    ----------
    base_trace_node :
        PlotlyNode that is the parent of all of the individual trace nodes
    Returns
    -------
    BaseDataValidator
    """
    # Build constructor params
    # ------------------------
    # We need to eval the values to convert out of the repr-form of the
    # params. e.g. '3' -> 3
    params = build_data_validator_params(base_trace_node)
    eval_params = {k: eval(repr_val) for k, repr_val in params.items()}
    # Build and return BaseDataValidator instance
    # -------------------------------------------
    return _plotly_utils.basevalidators.BaseDataValidator(**eval_params)