export declare class LiveTuiOutput {
    private readonly frameIntervalMs;
    private buffer;
    private cancelled;
    private output;
    private lastFrameAt;
    constructor(frameIntervalMs: number);
    write(data: string): void;
    cancel(): void;
    flush(): Promise<void>;
    private extractCompleteFrames;
    private enqueue;
}
export declare function createLiveTuiOutput(): LiveTuiOutput | undefined;