code: def find_registerable_files(
      readers=None, writers=None, composite_sensors=None
  ):
      """Load all Satpy components so they can be downloaded.
  
      Args:
          readers (list or None): Limit searching to these readers. If not
              specified or ``None`` then all readers are searched. If an
              empty list then no readers are searched.
          writers (list or None): Limit searching to these writers. If not
              specified or ``None`` then all writers are searched. If an
              empty list then no writers are searched.
          composite_sensors (list or None): Limit searching to composite
              configuration files for these sensors. If ``None`` then all sensor
              configs will be searched. If an empty list then no composites
              will be searched.
  
      """
      _find_registerable_files_compositors(composite_sensors)
      _find_registerable_files_readers(readers)
      _find_registerable_files_writers(writers)
      return sorted(_FILE_REGISTRY.keys())
  
imports: import logging
  import os
  import pooch
  import satpy
label_desc: Use image node_id 8 for calling a global function with example usage: find_registerable_files(readers, writers, composite_sensors) and returns: sorted