import type { Message, Part } from "@opencode-ai/sdk";
interface MessageWithParts {
    info: Message;
    parts: Part[];
}
type MessagesTransformHook = {
    "experimental.chat.messages.transform"?: (input: Record<string, never>, output: {
        messages: MessageWithParts[];
    }) => Promise<void>;
};
export declare function createEmptyMessageSanitizerHook(): MessagesTransformHook;
export {};