import { AudioSegment, TextChunk, VoiceSettings } from '../types/audio.js';
import { ElevenLabsClient } from './elevenlabs-client.js';
export declare class AudioBufferManager {
    private segments;
    private currentIndex;
    private elevenLabsClient;
    private preloadCount;
    private isPlaying;
    private isPaused;
    constructor(elevenLabsClient: ElevenLabsClient);
    loadChunks(chunks: TextChunk[], voiceSettings: VoiceSettings): Promise<void>;
    private preloadSegments;
    getNextSegment(voiceSettings: VoiceSettings): Promise<AudioSegment | null>;
    markSegmentPlayed(): void;
    pause(): void;
    resume(): void;
    stop(): void;
    goBack(): AudioSegment | null;
    skipForward(): AudioSegment | null;
    seekToChunk(chunkIndex: number): AudioSegment | null;
    replayCurrentChunk(): AudioSegment | null;
    getPlaybackProgress(): {
        currentChunk: number;
        totalChunks: number;
        completionPercentage: number;
        readySegments: number;
        isPlaying: boolean;
        isPaused: boolean;
    };
    getSegmentsSummary(): Array<{
        id: string;
        order: number;
        text: string;
        status: string;
        duration?: number;
        isCurrent: boolean;
    }>;
    getCurrentSegment(): AudioSegment | null;
    hasMoreSegments(): boolean;
    getTotalDuration(): number;
    getEstimatedTimeRemaining(): number;
    cleanup(): void;
}
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