/**
 * Parsed inbound OpenAI chat-completions request, ready to feed into pi-ai
 * `stream(model, context, options)`.
 */
import type { AuthGatewayStreamControl, AuthGatewayParsedRequest as ParsedRequest } from "../auth-gateway/types";
import type { AssistantMessage, AssistantMessageEventStream } from "../types";
export type { ParsedRequest };
export declare function parseRequest(body: unknown, headers?: Headers): ParsedRequest;
export declare function encodeResponse(message: AssistantMessage, requestedModelId: string): Record<string, unknown>;
export declare function encodeStream(events: AssistantMessageEventStream, requestedModelId: string, options?: ParsedRequest["options"], control?: AuthGatewayStreamControl): ReadableStream<Uint8Array>;
/**
 * OpenAI chat-completions error envelope:
 *   `{ error: { message, type } }`
 * Matches the shape the official SDK auto-parses into `APIError`.
 */
export declare function formatError(status: number, type: string, message: string): Response;