class_docstr: Inventory adapter for environment
docstr: Intersphinx cache.
  
  - Key is the URI of the remote inventory
  - Element one is the key given in the Sphinx intersphinx_mapping
    configuration value
  - Element two is a time value for cache invalidation, a float
  - Element three is the loaded remote inventory, type Inventory
docstr_tok: ["Intersphinx","cache",".","-","Key","is","the","URI","of","the","remote","inventory","-","Element","one","is","the","key","given","in","the","Sphinx","intersphinx_mapping","configuration","value","-","Element","two","is","a","time","value","for","cache","invalidation",",","a","float","-","Element","three","is","the","loaded","remote","inventory",",","type","Inventory"]
code: def cache(self) -> dict[str, InventoryCacheEntry]:
      """Intersphinx cache.
  
      - Key is the URI of the remote inventory
      - Element one is the key given in the Sphinx intersphinx_mapping
        configuration value
      - Element two is a time value for cache invalidation, a float
      - Element three is the loaded remote inventory, type Inventory
      """
      return self.env.intersphinx_cache
  
imports: from __future__ import annotations
  import concurrent.futures
  import functools
  import posixpath
  import re
  import sys
  import time
  from os import path
  from typing import TYPE_CHECKING, cast
  from urllib.parse import urlsplit, urlunsplit
  from docutils import nodes
  from docutils.utils import relative_path
  import sphinx
  from sphinx.addnodes import pending_xref
  from sphinx.builders.html import INVENTORY_FILENAME
  from sphinx.errors import ExtensionError
  from sphinx.locale import _, __
  from sphinx.transforms.post_transforms import ReferencesResolver
  from sphinx.util import logging, requests
  from sphinx.util.docutils import CustomReSTDispatcher, SphinxRole
  from sphinx.util.inventory import InventoryFile
label_desc: Use image node_id 2 for calling the InventoryAdapter obj's underlying member method code with example usage: obj.cache() and returns: self