docs: def find(cls, api_name):
          """ Find or create an API model object by name """
          if api_name in cls.apis_by_name:
              return cls.apis_by_name[api_name]
          api = cls(api_name)
          api._fetch_from_aws()
          if api.exists_in_aws:
              api._fetch_resources()
          cls.apis_by_name[api_name] = api
          return api