input: from typing import List, Dict, Optional
  
  class FileSystem(object):
      def save_task(self, data: Dict) -> None:
          """
          Save task data to the file system. If the data dictionary does not include an 'id' key, one will be generated.
          The task data will be stored in a file in a subdirectory of the taskDir directory named after the task ID.
          >>> fs = FileSystem({'taskDir': '~/jsub/'})
          >>> fs.save_task({'name': 'Sample Task'})
          >>> fs.save_task({'id': 1, 'name': 'Another Task'})
          """
          pass
  
      def delete_task(self, task_id: int) -> None:
          """
          Delete task data by its ID. This will remove the subdirectory containing the task data.
          >>> fs = FileSystem({'taskDir': '~/jsub/'})
          >>> fs.save_task({'id': 1, 'name': 'Task to Delete'})
          >>> fs.delete_task(1)
          """
          pass
  
      def find_by_id(self, task_id: int) -> Optional[Dict]:
          """
          Find task data by its ID. This will return the task data as a dictionary, or None if the task data is not found.
          >>> fs = FileSystem({'taskDir': '~/jsub/'})
          >>> fs.save_task({'id': 1, 'name': 'Task 1'})
          >>> fs.find_by_id(1)
          {'id': 1, 'name': 'Task 1'}
          >>> fs.find_by_id(2)
          None
          """
          pass
  
      def find_by_ids(self, task_ids: List[int]) -> List[Dict]:
          """
          Find task data for multiple IDs. This will return a list of task data dictionaries.
          >>> fs = FileSystem({'taskDir': '~/jsub/'})
          >>> fs.save_task({'id': 1, 'name': 'Task 1'})
          >>> fs.save_task({'id': 2, 'name': 'Task 2'})
          >>> fs.find_by_ids([1, 2])
          [{'id': 1, 'name': 'Task 1'}, {'id': 2, 'name': 'Task 2'}]
          >>> fs.find_by_ids([3])
          []
          """
          pass
  
      def all_task_data(self, order: str = 'asc') -> List[Dict]:
          """
          Find all task data. This will return a list of all task data dictionaries, sorted by ID.
          >>> fs = FileSystem({'taskDir': '~/jsub/'})
          >>> fs.save_task({'id': 2, 'name': 'Task 2'})
          >>> fs.save_task({'id': 1, 'name': 'Task 1'})
          >>> fs.all_task_data()
          [{'id': 1, 'name': 'Task 1'}, {'id': 2, 'name': 'Task 2'}]
          >>> fs.all_task_data(order='desc')
          [{'id': 2, 'name': 'Task 2'}, {'id': 1, 'name': 'Task 1'}]
          """
          pass
  
      def task_data(self, task_id: int) -> Optional[Dict]:
          """
          Get task data for a specific ID without raising an error if the data is not found.
          This will return the task data as a dictionary, or None if the task data is not found.
          >>> fs = FileSystem({'taskDir': '~/jsub/'})
          >>> fs.save_task({'id': 1, 'name': 'Task 1'})
          >>> fs.task_data(1)
          {'id': 1, 'name': 'Task 1'}
          >>> fs.task_data(2)
          None
          """
          pass
output:     
      import os
      import json
      import uuid
      from pathlib import Path
  
      class FileSystem(object):
          def __init__(self, config: Dict):
              self.taskDir = Path(config['taskDir']).expanduser()
              self.taskDir.mkdir(parents=True, exist_ok=True)
  
          def save_task(self, data: Dict) -> None:
              if 'id' not in data:
                  data['id'] = str(uuid.uuid4())
              task_dir = self.taskDir / str(data['id'])
              task_dir.mkdir(parents=True, exist_ok=True)
              with open(task_dir / 'data.json', 'w') as f:
                  json.dump(data, f)
  
          def delete_task(self, task_id: int) -> None:
              task_dir = self.taskDir / str(task_id)
              if task_dir.exists():
                  for file in task_dir.iterdir():
                      file.unlink()
                  task_dir.rmdir()
  
          def find_by_id(self, task_id: int) -> Optional[Dict]:
              task_dir = self.taskDir / str(task_id)
              data_file = task_dir / 'data.json'
              if data_file.exists():
                  with open(data_file, 'r') as f:
                      return json.load(f)
              return None
  
          def find_by_ids(self, task_ids: List[int]) -> List[Dict]:
              return [self.find_by_id(task_id) for task_id in task_ids if self.find_by_id(task_id) is not None]
  
          def all_task_data(self, order: str = 'asc') -> List[Dict]:
              task_dirs = sorted(self.taskDir.iterdir(), key=lambda x: x.name, reverse=(order == 'desc'))
              return [self.find_by_id(int(task_dir.name)) for task_dir in task_dirs if self.find_by_id(int(task_dir.name)) is not None]
  
          def task_data(self, task_id: int) -> Optional[Dict]:
              return self.find_by_id(task_id)
  