def by_mobile_app_content_id(self,mobile_app_content_id: str) -> MobileAppContentItemRequestBuilder:
        """
        Provides operations to manage the contentVersions property of the microsoft.graph.mobileLobApp entity.
        param mobile_app_content_id: The unique identifier of mobileAppContent
        Returns: MobileAppContentItemRequestBuilder
        """
        if mobile_app_content_id is None:
            raise TypeError("mobile_app_content_id cannot be null.")
        from .item.mobile_app_content_item_request_builder import MobileAppContentItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["mobileAppContent%2Did"] = mobile_app_content_id
        return MobileAppContentItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the contentVersions property of the microsoft.graph.mobileLobApp entity.
        param mobile_app_content_id: The unique identifier of mobileAppContent
        Returns: MobileAppContentItemRequestBuilder
        
msgraph/generated/device_app_management/mobile_apps/item/graph_android_lob_app/content_versions/content_versions_request_builder.py