code: def _task_to_json(
      self, run_id, step_name, task_id=None, tags=None, sys_tags=None
  ):
      d = {"run_number": run_id, "step_name": step_name}
      if task_id is not None:
          d["task_id"] = task_id
      d.update(self._all_obj_elements(tags, sys_tags))
      return d
  
imports: import json
  import os
  import re
  import time
  from collections import namedtuple
  from itertools import chain
  from metaflow.exception import MetaflowInternalError, MetaflowTaggingError
  from metaflow.tagging_util import validate_tag
  from metaflow.util import get_username, resolve_identity_as_tuple, is_stringish
label_desc: Use image node_id 25 for calling the MetadataProvider obj's underlying member method code with example usage: obj._task_to_json(run_id, step_name, task_id, tags, sys_tags) and returns: d