def by_workflow_version_version_number(self,workflow_version_version_number: int) -> WorkflowVersionVersionNumberItemRequestBuilder:
        """
        Provides operations to manage the versions property of the microsoft.graph.identityGovernance.workflow entity.
        param workflow_version_version_number: The unique identifier of workflowVersion
        Returns: WorkflowVersionVersionNumberItemRequestBuilder
        """
        if workflow_version_version_number is None:
            raise TypeError("workflow_version_version_number cannot be null.")
        from .item.workflow_version_version_number_item_request_builder import WorkflowVersionVersionNumberItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["workflowVersion%2DversionNumber"] = workflow_version_version_number
        return WorkflowVersionVersionNumberItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the versions property of the microsoft.graph.identityGovernance.workflow entity.
        param workflow_version_version_number: The unique identifier of workflowVersion
        Returns: WorkflowVersionVersionNumberItemRequestBuilder
        
msgraph/generated/identity_governance/lifecycle_workflows/deleted_items/workflows/item/versions/versions_request_builder.py