/**
 * RTC 适配器接口定义
 * 用于抽象不同平台的 WebRTC 实现
 */
/**
 * RTC 配置接口
 */
export interface RTCConfig {
    iceServers?: RTCIceServer[];
    iceTransportPolicy?: RTCIceTransportPolicy;
    bundlePolicy?: RTCBundlePolicy;
    rtcpMuxPolicy?: RTCRtcpMuxPolicy;
    sdpSemantics?: 'unified-plan' | 'plan-b';
    peerConnectionOptions?: any;
}
/**
 * RTC 适配器接口
 */
export interface RTCInterface {
    /**
     * 创建对等连接
     * @param config RTC配置
     * @returns RTCPeerConnection
     */
    createPeerConnection(config?: RTCConfig): RTCPeerConnection;
    /**
     * 创建SDP offer
     * @param peerConnection 对等连接
     * @param options offer选项
     * @returns Promise<RTCSessionDescriptionInit>
     */
    createOffer(peerConnection: RTCPeerConnection, options?: RTCOfferOptions): Promise<RTCSessionDescriptionInit>;
    /**
     * 创建SDP answer
     * @param peerConnection 对等连接
     * @param options answer选项
     * @returns Promise<RTCSessionDescriptionInit>
     */
    createAnswer(peerConnection: RTCPeerConnection, options?: RTCAnswerOptions): Promise<RTCSessionDescriptionInit>;
    /**
     * 设置本地描述
     * @param peerConnection 对等连接
     * @param description 会话描述
     * @returns Promise<void>
     */
    setLocalDescription(peerConnection: RTCPeerConnection, description: RTCSessionDescriptionInit): Promise<void>;
    /**
     * 设置远程描述
     * @param peerConnection 对等连接
     * @param description 会话描述
     * @returns Promise<void>
     */
    setRemoteDescription(peerConnection: RTCPeerConnection, description: RTCSessionDescriptionInit): Promise<void>;
    /**
     * 添加ICE候选
     * @param peerConnection 对等连接
     * @param candidate ICE候选
     * @returns Promise<void>
     */
    addIceCandidate(peerConnection: RTCPeerConnection, candidate: RTCIceCandidateInit): Promise<void>;
    /**
     * 获取统计信息
     * @param peerConnection 对等连接
     * @returns Promise<RTCStatsReport>
     */
    getStats(peerConnection: RTCPeerConnection): Promise<RTCStatsReport>;
    /**
     * 关闭对等连接
     * @param peerConnection 对等连接
     */
    closePeerConnection(peerConnection: RTCPeerConnection): void;
}