export declare type Arguments<T> = [T] extends [(...args: infer U) => any] ? U : [T] extends [void] ? [] : [T];
export interface TypedEmitter<Events> {
    on<E extends keyof Events>(event: E, listener: Events[E]): this;
    off<E extends keyof Events>(event: E, listener: Events[E]): this;
    offAll<E extends keyof Events>(event?: E): this;
    emit<E extends keyof Events>(event: E, ...args: Arguments<Events[E]>): boolean;
}
export interface PeerEvents {
    error: (data: {
        id: string;
        message: string;
        error?: Error;
    }) => void;
    connecting: VoidFunction;
    connected: VoidFunction;
    disconnected: VoidFunction;
    status: (status: RTCIceConnectionState) => void;
    signal: (description: RTCSessionDescriptionInit) => void;
    onicecandidates: (iceCandidates: RTCIceCandidate[]) => void;
    streamLocal: (stream: MediaStream) => void;
    streamRemote: (stream: MediaStream) => void;
    channelOpen: (data: {
        channel: RTCDataChannel;
    }) => void;
    channelClosed: (data: {
        channel: RTCDataChannel;
    }) => void;
    channelError: (data: {
        channel: RTCDataChannel;
        event: RTCErrorEvent;
    }) => void;
    channelData: (data: {
        channel: RTCDataChannel;
        source: 'incoming' | 'outgoing';
        data: string | Blob | ArrayBuffer | ArrayBufferView;
    }) => void;
}
export interface PeerOptions {
    /** Enable support for batching ICECandidates */
    batchCandidates?: boolean;
    /** Timeout in MS before emitting batched ICECandidates */
    batchCandidatesTimeout?: number;
    /** Peer id used when emitting errors */
    id?: string;
    /** RTCPeerConnection options */
    config?: RTCConfiguration;
    /** RTCOfferOptions options */
    offerOptions?: RTCOfferOptions;
    /** Enable support for RTCDataChannels */
    enableDataChannels?: boolean;
    /** Default RTCDataChannel label */
    channelLabel?: string;
    /** Default RTCDataChannel options */
    channelOptions?: RTCDataChannelInit;
    /** Function to transform offer/answer SDP */
    sdpTransform?: (sdp: string) => string;
}