interface Channel {
    close(): void;
    sendMessage(msg: string): boolean;
    sendMessageBinary(buffer: Uint8Array): boolean;
    isOpen(): boolean;
    bufferedAmount(): number;
    maxMessageSize(): number;
    setBufferedAmountLowThreshold(newSize: number): void;
    onOpen(cb: () => void): void;
    onClosed(cb: () => void): void;
    onError(cb: (err: string) => void): void;
    onBufferedAmountLow(cb: () => void): void;
    onMessage(cb: (msg: string | Buffer | ArrayBuffer) => void): void;
}
interface WebSocketServerConfiguration {
    port?: number;
    enableTls?: boolean;
    certificatePemFile?: string;
    keyPemFile?: string;
    keyPemPass?: string;
    bindAddress?: string;
    connectionTimeout?: number;
    maxMessageSize?: number;
}
type LogLevel = 'Verbose' | 'Debug' | 'Info' | 'Warning' | 'Error' | 'Fatal';
interface SctpSettings {
    recvBufferSize?: number;
    sendBufferSize?: number;
    maxChunksOnQueue?: number;
    initialCongestionWindow?: number;
    congestionControlModule?: number;
    delayedSackTime?: number;
}
type ProxyServerType = 'Socks5' | 'Http';
interface ProxyServer {
    type: ProxyServerType;
    ip: string;
    port: number;
    username?: string;
    password?: string;
}
type RelayType = 'TurnUdp' | 'TurnTcp' | 'TurnTls';
interface IceServer {
    hostname: string;
    port: number;
    username?: string;
    password?: string;
    relayType?: RelayType;
}
type TransportPolicy = 'all' | 'relay';
interface RtcConfig {
    iceServers: (string | IceServer)[];
    proxyServer?: ProxyServer;
    bindAddress?: string;
    enableIceTcp?: boolean;
    enableIceUdpMux?: boolean;
    disableAutoNegotiation?: boolean;
    forceMediaTransport?: boolean;
    portRangeBegin?: number;
    portRangeEnd?: number;
    maxMessageSize?: number;
    mtu?: number;
    iceTransportPolicy?: TransportPolicy;
    disableFingerprintVerification?: boolean;
    disableAutoGathering?: boolean;
    certificatePemFile?: string;
    keyPemFile?: string;
    keyPemPass?: string;
}
type DescriptionType = 'unspec' | 'offer' | 'answer' | 'pranswer' | 'rollback';
type RTCSdpType = 'answer' | 'offer' | 'pranswer' | 'rollback';
type RTCIceTransportState = 'checking' | 'closed' | 'completed' | 'connected' | 'disconnected' | 'failed' | 'new';
type RTCPeerConnectionState = 'closed' | 'connected' | 'connecting' | 'disconnected' | 'failed' | 'new';
type RTCIceConnectionState = 'checking' | 'closed' | 'completed' | 'connected' | 'disconnected' | 'failed' | 'new';
type RTCIceGathererState = 'complete' | 'gathering' | 'new';
type RTCIceGatheringState = 'complete' | 'gathering' | 'new';
type RTCSignalingState = 'closed' | 'have-local-offer' | 'have-local-pranswer' | 'have-remote-offer' | 'have-remote-pranswer' | 'stable';
interface LocalDescriptionInit {
    iceUfrag?: string;
    icePwd?: string;
}
interface DataChannelInitConfig {
    protocol?: string;
    negotiated?: boolean;
    id?: number;
    unordered?: boolean;
    maxPacketLifeTime?: number;
    maxRetransmits?: number;
}
interface CertificateFingerprint {
    /**
     * @see https://developer.mozilla.org/en-US/docs/Web/API/RTCCertificate/getFingerprints#value
     */
    value: string;
    /**
     * @see https://developer.mozilla.org/en-US/docs/Web/API/RTCCertificate/getFingerprints#algorithm
     */
    algorithm: 'sha-1' | 'sha-224' | 'sha-256' | 'sha-384' | 'sha-512' | 'md5' | 'md2';
}
interface SelectedCandidateInfo {
    address: string;
    port: number;
    type: string;
    transportType: string;
    candidate: string;
    mid: string;
    priority: number;
}
type Direction = 'SendOnly' | 'RecvOnly' | 'SendRecv' | 'Inactive' | 'Unknown';
interface IceUdpMuxRequest {
    ufrag: string;
    localUfrag: string;
    host: string;
    port: number;
}
type NalUnitSeparator = 'Length' | 'ShortStartSequence' | 'LongStartSequence' | 'StartSequence';
type ObuPacketization = 'Obu' | 'TemporalUnit';

export type { CertificateFingerprint, Channel, DataChannelInitConfig, DescriptionType, Direction, IceServer, IceUdpMuxRequest, LocalDescriptionInit, LogLevel, NalUnitSeparator, ObuPacketization, ProxyServer, ProxyServerType, RTCIceConnectionState, RTCIceGathererState, RTCIceGatheringState, RTCIceTransportState, RTCPeerConnectionState, RTCSdpType, RTCSignalingState, RelayType, RtcConfig, SctpSettings, SelectedCandidateInfo, TransportPolicy, WebSocketServerConfiguration };