/** Conservative continuation hints, not a semantic model or punctuation-based endpoint detector. */
export declare function needsContinuation(text: string): boolean;
/** Joins provider utterances until both transcription and the continuation window have settled. */
export declare class ConversationTurn {
    private readonly silenceDurationMs;
    private readonly onTurn;
    private readonly parts;
    private timer;
    private stoppedAt;
    constructor(silenceDurationMs: number, onTurn: (text: string) => void);
    start(id: string): void;
    stop(id: string): void;
    final(id: string, text: string): void;
    reset(): void;
    /** Restore a settled turn if generation was still queued when the user resumed. */
    restore(text: string): void;
    private text;
    private clearTimer;
    private schedule;
}