import type OpenAI from "openai";
import type { ChatCompletion } from "openai/resources/chat/completions";
import type { Message } from "@use-crux/core";
import type { NativeAssistantTurn, NativeAssistantReadContext } from "@use-crux/core/adapter";
/** OpenAI assistant turn data read from a chat-completion response. */
export type OpenAIAssistantTurn = NativeAssistantTurn;
/** OpenAI provider transcript codec used by request builders and response normalization. */
export declare const openAITranscript: import("@use-crux/core/adapter").NativeTranscriptCodec<OpenAI.Chat.Completions.ChatCompletionMessageParam, OpenAI.Chat.Completions.ChatCompletion>;
/**
 * Convert canonical Crux messages into OpenAI chat-completion messages.
 *
 * Uses the compiled {@link openAITranscript} codec shared by runtime calls.
 */
export declare function fromMessages(messages: readonly Message[]): OpenAI.ChatCompletionMessageParam[];
/**
 * Convert OpenAI chat messages back into canonical Crux messages.
 *
 * Uses the same {@link openAITranscript} decoder as runtime responses.
 */
export declare function toMessages(sdkMessages: readonly unknown[]): Message[];
/** Read assistant transcript text and tool-call intent from an OpenAI response. */
export declare function readOpenAIAssistant(result: ChatCompletion, context?: NativeAssistantReadContext): OpenAIAssistantTurn;
/**
 * Parse an OpenAI tool-call `arguments` string into args, tolerating provider
 * quirks. Falls back to the raw string when it is empty or malformed JSON, so
 * generate and stream tool-call parsing produce identical args for the same
 * wire input.
 */
export declare function safeParseJson(str: string): unknown;