import type { Message } from '../types/schemas/chat/conversations.js';
import type { MessageFile } from '../types/schemas/chat/files.js';
import type { DeepReadonly } from 'vue';
export type StreamOverlay = {
    content: string | null;
    reasoning: DeepReadonly<unknown[]>;
    files: DeepReadonly<MessageFile[]>;
};
export declare function overlayStreamedMessage(message: Message, stream: StreamOverlay): Message;