import type { Api, AssistantMessage, Message, Model } from "@mariozechner/pi-ai";
/**
 * Local copy of pi-ai's message normalizer so the extension can preserve
 * provider replay semantics without importing internal files.
 */
export declare function transformMessages<TApi extends Api>(messages: Message[], model: Model<TApi>, normalizeToolCallId?: (id: string, model: Model<TApi>, source: AssistantMessage) => string): Message[];