def columns(self) -> ColumnsRequestBuilder:
        """
        Provides operations to manage the columns property of the microsoft.graph.site entity.
        """
        from .columns.columns_request_builder import ColumnsRequestBuilder

        return ColumnsRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the columns property of the microsoft.graph.site entity.
        
msgraph/generated/groups/item/sites/item/site_item_request_builder.py