class_docstr: Nested dict-like object that proxies read and write operations through a root object.
  
  This lets us do synchronous serialization and lazy loading of large values.
class_docstr_tok: ["Nested","dict-like","object","that","proxies","read","and","write","operations","through","a","root","object",".","This","lets","us","do","synchronous","serialization","and","lazy","loading","of","large","values","."]
docstr: Delete a value at a particular path in the root.
  
  This should only be implemented by the "_root" child class.
docstr_tok: ["Delete","a","value","at","a","particular","path","in","the","root",".","This","should","only","be","implemented","by","the","``","_root","''","child","class","."]
code: def _root_del(self, path):
      """Delete a value at a particular path in the root.
  
      This should only be implemented by the "_root" child class.
      """
      raise NotImplementedError
  
imports: import json
  import os
  import time
  from wandb_gql import gql
  import wandb
  from wandb import util
  from wandb.apis.internal import Api
  from wandb.sdk import lib
  from wandb.sdk.data_types.utils import val_to_json
label_desc: Use image node_id 6 for calling the SummarySubDict obj's underlying member method code with example usage: obj._root_del(path) without return types