langchain/retrievers/chatgpt_plugin_retriever.py/ChatGPTPluginRetriever/_create_request
class ChatGPTPluginRetriever:    def _create_request(self, query: str) -> tuple[str, dict, dict]:
        url = f"{self.url}/query"
        json = {
            "queries": [
                {
                    "query": query,
                    "filter": self.filter,
                    "top_k": self.top_k,
                }
            ]
        }
        headers = {
            "Content-Type": "application/json",
            "Authorization": f"Bearer {self.bearer_token}",
        }
        return url, json, headers