code: def _render_nested_template_fields(
      self,
      content: Any,
      context: Context,
      jinja_env: jinja2.Environment,
      seen_oids: set,
  ) -> None:
      if id(content) not in seen_oids:
          template_fields: tuple | None = None
  
          if isinstance(content, NestedFields):
              template_fields = ("field_1", "field_2")
  
          if template_fields:
              seen_oids.add(id(content))
              self._do_render_template_fields(
                  content,
                  template_fields,
                  context,
                  jinja_env,
                  seen_oids,
              )
              return
  
      super()._render_nested_template_fields(
          content, context, jinja_env, seen_oids
      )
  
imports: from __future__ import annotations
  import warnings
  from typing import TYPE_CHECKING, Any, Sequence
  import attr
  from airflow.models.baseoperator import BaseOperator
  from airflow.models.baseoperatorlink import BaseOperatorLink
  from airflow.models.xcom import XCom
label_desc: Use image node_id 2 for calling the MockOperatorWithNestedFields obj's underlying member method code with example usage: obj._render_nested_template_fields(content, context, jinja_env, seen_oids) without return types