code: def _get_template_params(
      query_params: dict[str, Any]
  ) -> dict[str, Any]:
      try:
          template_params = json.loads(
              query_params.get("templateParams") or "{}"
          )
      except json.JSONDecodeError:
          logger.warning(
              "Invalid template parameter %s specified. Defaulting to empty dict",
              str(query_params.get("templateParams")),
          )
          template_params = {}
      return template_params
  
imports: from __future__ import annotations
  import contextlib
  import json
  import logging
  from dataclasses import dataclass
  from typing import Any, cast, TYPE_CHECKING
  from flask import g
  from sqlalchemy.orm.exc import DetachedInstanceError
  from superset import is_feature_enabled
  from superset.models.sql_lab import Query
  from superset.sql_parse import CtasMethod
  from superset.utils import core
  from superset.utils.core import apply_max_row_limit, get_user_id
  from superset.utils.dates import now_as_float
  from superset.views.utils import get_cta_schema_name
label_desc: Use image node_id 4 for calling the SqlJsonExecutionContext obj's underlying member method code with example usage: obj._get_template_params(query_params) and returns: template_params