import { ConnectionOptions, Direction, MetadataOption } from './types';
export interface AyameAddStreamEvent {
    type: string;
    stream: MediaStream;
}
declare class Connection {
    private debug;
    private roomId;
    private signalingUrl;
    private options;
    private connectionState;
    private stream;
    private remoteStream;
    private authnMetadata;
    private authzMetadata;
    private ws;
    private pc;
    private callbacks;
    private isOffer;
    private isExistUser;
    private dataChannels;
    private pcConfig;
    get webSocket(): WebSocket | null;
    get peerConnection(): RTCPeerConnection | null;
    on(kind: string, callback: Function): void;
    /**
     * オブジェクトを生成し、リモートのピアまたはサーバーに接続します。
     */
    constructor(signalingUrl: string, roomId: string, options: ConnectionOptions, debug?: boolean, isRelay?: boolean);
    /**
     * 接続する
     */
    connect(stream: MediaStream | null, metadataOption?: MetadataOption | null): Promise<void>;
    /**
     * 接続を切断する
     */
    disconnect(): Promise<void>;
    /**
     * 統計情報を取得する
     */
    getStats(): Promise<RTCStatsReport>;
    private signaling;
    removeDataChannel(label: string): Promise<void>;
    private setCodecPreferences;
    private createPeerConnection;
    createDataChannel(label: string, options: RTCDataChannelInit | undefined): Promise<RTCDataChannel | null>;
    private onDataChannel;
    private sendOffer;
    private isAudioCodecSpecified;
    private isVideoCodecSpecified;
    private createAnswer;
    private setAnswer;
    private setOffer;
    private addIceCandidate;
    private sendIceCandidate;
    private sendSdp;
    private sendWs;
    private getTransceiver;
    private findDataChannel;
    private closeDataChannel;
    private closePeerConnection;
    private closeWebSocketConnection;
    private traceLog;
}
export default Connection;
/**
 * Ayame Connection のデフォルトのオプションです。
 */
export declare const defaultOptions: ConnectionOptions;
/**
 * Ayame Connection を生成します。
 * @deprecated この関数は廃止予定です。代わりに createConnection を使用してください。
 */
export declare const connection: (signalingUrl: string, roomId: string, options?: ConnectionOptions, debug?: boolean, isRelay?: boolean) => Connection;
/**
 * Ayame Connection を生成します。
 */
export declare const createConnection: (signalingUrl: string, roomId: string, options?: ConnectionOptions, debug?: boolean, isRelay?: boolean) => Connection;
/**
 * Ayame Web SDK のバージョンを出力します。
 */
export declare const version: () => string;
export type { Connection, ConnectionOptions, Direction, MetadataOption };
export { getAvailableCodecs } from './utils';