import { AgentMessageStreamConfig } from './types';
export declare class AgentMessageStream {
    private readonly messageId;
    private isEnded;
    private readonly format;
    private readonly conversationId;
    private readonly agentId;
    private readonly realtime;
    constructor(config: AgentMessageStreamConfig);
    start(): void;
    /**
     * Write the next part of the message with a typewriter animation.
     * Writing to the stream after calling `end` will throw an error.
     */
    typewrite(message: string, options?: {
        intervalMs?: number;
    }): Promise<void>;
    /**
     * Write the next part of the message.
     * Writing to the stream after calling `end` will throw an error.
     */
    write(message: string): void;
    /**
     * Indicate that the message is complete, releasing the user's prompt.
     * This MUST be called after all the calls to `write` have been made.
     * Writing to the stream after calling `end` will throw an error.
     */
    end(): void;
}