def bessel_i(self) -> BesselIRequestBuilder:
        """
        Provides operations to call the besselI method.
        """
        from .bessel_i.bessel_i_request_builder import BesselIRequestBuilder

        return BesselIRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the besselI method.
        
msgraph/generated/drives/item/items/item/workbook/functions/functions_request_builder.py