import { type PaceRealtimeVoiceFramesOptions } from './pacer.js';
import { type RealtimeVoiceAudioFormat, type RealtimeVoiceProtocol, type RealtimeVoiceSessionInfo, type RealtimeVoiceSessionStatus, type RealtimeVoiceTransport } from './types.js';
export interface RealtimeVoiceSessionOptions extends RealtimeVoiceSessionInfo {
    audioFormat?: Partial<RealtimeVoiceAudioFormat>;
    protocol?: RealtimeVoiceProtocol;
    transport?: RealtimeVoiceTransport;
    sendBinary?: (data: Buffer) => void | Promise<void>;
    handshakeTimeoutMs?: number;
    pacer?: PaceRealtimeVoiceFramesOptions;
}
export declare class RealtimeVoiceSession {
    readonly info: RealtimeVoiceSessionInfo;
    readonly audioFormat: RealtimeVoiceAudioFormat;
    private readonly protocol;
    private readonly transport?;
    private readonly pacer?;
    private readonly handshakeTimeoutMs;
    private statusValue;
    private lastErrorValue?;
    private startPromise?;
    private readLoopPromise?;
    private sessionIdValue?;
    constructor(opts: RealtimeVoiceSessionOptions);
    get status(): RealtimeVoiceSessionStatus;
    get lastError(): string | undefined;
    get sessionId(): bigint | undefined;
    start(): Promise<void>;
    private startInternal;
    speak(text: string): Promise<{
        frames: number;
        durationMs: number;
    }>;
    stop(_reason?: string): Promise<void>;
    private requireTransport;
    private waitForSessionCreated;
    private startReadLoop;
    private assertNonFatalServerEvent;
}
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