Used in https://github.com/mhenc/airflow/blob/master/airflow/dag_processing/manager.py#L613

should be straighforward
input_datasets: dict[Dataset, None] = {}
        
        
        
        
        for dag in dags:
            curr_orm_dag = existing_dags.get(dag.dag_id)
            if not dag.dataset_triggers:
                if curr_orm_dag and curr_orm_dag.schedule_dataset_references:
                    curr_orm_dag.schedule_dataset_references = []
            for dataset in dag.dataset_triggers:
                dag_references[dag.dag_id].add(dataset.uri)
                input_datasets[DatasetModel.from_public(dataset)] = None
            curr_outlet_references = curr_orm_dag and curr_orm_dag.task_outlet_dataset_references
            for task in dag.tasks:
                dataset_outlets = [x for x in task.outlets or [] if isinstance(x, Dataset)]
                if not dataset_outlets:
                    if curr_outlet_references:
                        this_task_outlet_refs = [
                            x
                            for x in curr_outlet_references
                            if x.dag_id == dag.dag_id and x.task_id == task.task_id
                        ]
                        for ref in this_task_outlet_refs:
                            curr_outlet_references.remove(ref)
                for d in dataset_outlets:
                    outlet_references[(task.dag_id, task.task_id)].add(d.uri)
                    outlet_datasets[DatasetModel.from_public(d)] = None
        all_datasets = outlet_datasets
        all_datasets.update(input_datasets)