docs: def resolve_reference(self, ref):
          """
          Resolve a JSON Pointer object reference to the object itself.
  
          :param ref: Reference string (`#/foo/bar`, for instance)
          :return: The object, if found
          :raises jsonschema.exceptions.RefResolutionError: if there is trouble resolving the reference
          """
          url, resolved = self.resolver.resolve(ref)
          return resolved