/**
 * @license
 * Copyright 2026 Alibaba Group Holding Limited
 * Copyright 2026 Qwen
 * SPDX-License-Identifier: Apache-2.0
 * Adapted to TypeScript from qwen-omni-realtime-agent; modified for Qwen Live Harness.
 */
import { type MemoryConfig } from './config.js';
export interface DialogueTurn {
    turnIdx: number;
    userText: string;
    userTs: string;
    userEpoch: number;
    asstText: string;
    asstTs: string;
    asstEpoch: number;
    interrupted: boolean;
    provisionalAnswer: boolean;
}
export interface DialogueSegment {
    turns: DialogueTurn[];
    cutReason: string;
}
export interface RecordResult {
    turn?: DialogueTurn;
    segment?: DialogueSegment;
}
export declare function formatTimestamp(moment: Date): string;
export declare class DialogueRecorder {
    private readonly config;
    private nextTurnIdx;
    private pending?;
    private tail;
    constructor(config?: MemoryConfig['segment'], firstTurnIdx?: number);
    get pendingTurn(): DialogueTurn | undefined;
    get tailTurns(): DialogueTurn[];
    onUserText(text: unknown, moment?: Date): RecordResult;
    onAssistantText(text: unknown, options?: {
        source?: string;
        interrupted?: boolean;
        moment?: Date;
    }): RecordResult;
    flush(): RecordResult;
    cutTail(reason?: string): DialogueSegment | undefined;
    private closePending;
    private cutReasonFor;
}