import { Buffer } from "node:buffer";
import { AudioClosePayload, AudioCodec, AudioOpenPayload, AudioOpenedPayload, AudioWakewordPayload, ClientLinkCapabilities, ClientLinkChannel, ClientLinkFrame, ClientLinkIdentity, ErrorPayload, InboundAudioFrame, WelcomePayload } from "./types";
type ClientLinkEventMap = {
    connected: [];
    authenticated: [WelcomePayload];
    disconnected: [{
        code?: number;
        explicit: boolean;
    }];
    error: [Error | ErrorPayload];
    "audio.opened": [AudioOpenedPayload];
    "audio.closed": [{
        roomId?: string;
        roomExternalRef?: string;
    }];
    "audio.frame": [InboundAudioFrame];
    "audio.wakeword": [AudioWakewordPayload];
};
type ClientLinkEvent = keyof ClientLinkEventMap;
type ClientLinkListener<T extends ClientLinkEvent> = (...args: ClientLinkEventMap[T]) => void;
export type ClientLinkOptions = {
    url: string;
    token: string;
    identity: ClientLinkIdentity;
    capabilities?: ClientLinkCapabilities;
    pingIntervalMs?: number;
    autoReconnect?: boolean;
    reconnectInitialDelayMs?: number;
    debug?: boolean;
};
export declare class ClientLink {
    private readonly options;
    private ws;
    private authenticated;
    private explicitClose;
    private reconnectAttempts;
    private pingTimer;
    private reconnectTimer;
    private desiredAudioOpen;
    private currentRoomId;
    private outboundSeq;
    private listeners;
    constructor(options: ClientLinkOptions);
    on<T extends ClientLinkEvent>(event: T, listener: ClientLinkListener<T>): this;
    off<T extends ClientLinkEvent>(event: T, listener: ClientLinkListener<T>): this;
    connect(): Promise<WelcomePayload>;
    close(): void;
    isAuthenticated(): boolean;
    get roomId(): string | null;
    openAudio(payload: AudioOpenPayload): void;
    closeAudio(): void;
    sendAudioFrame(data: Buffer, codec?: AudioCodec, flags?: {
        activityStart?: boolean;
        activityEnd?: boolean;
    }): void;
    sendWakeword(payload: AudioWakewordPayload): void;
    private openSocket;
    private handleText;
    private handleControlFrame;
    private handleAudioFrame;
    private handleBinary;
    private sendFrame;
    private startPingLoop;
    private clearPingTimer;
    private scheduleReconnect;
    private clearReconnectTimer;
    private emit;
}
export type { AudioClosePayload, AudioCodec, AudioOpenPayload, AudioOpenedPayload, AudioWakewordPayload, ClientLinkCapabilities, ClientLinkChannel, ClientLinkFrame, ClientLinkIdentity, ErrorPayload, InboundAudioFrame, WelcomePayload, };