/// <reference types="node" />
import { RTCIceTransport } from "./ice";
import { DtlsSocket } from "../../vendor/dtls";
import Event from "rx.mini";
export declare enum DtlsState {
    NEW = 0,
    CONNECTING = 1,
    CONNECTED = 2,
    CLOSED = 3,
    FAILED = 4
}
declare type DtlsRole = "auto" | "server" | "client";
export declare class RTCDtlsTransport {
    iceTransport: RTCIceTransport;
    dtls?: DtlsSocket;
    stateChanged: Event<DtlsState>;
    state: DtlsState;
    private localCertificate;
    role: DtlsRole;
    dataReceiver?: (buf: Buffer) => void;
    constructor(iceTransport: RTCIceTransport, certificates: RTCCertificate[]);
    getLocalParameters(): RTCDtlsParameters;
    start(remoteParameters: RTCDtlsParameters): Promise<void>;
    sendData(data: Buffer): void;
    private setState;
    stop(): void;
}
export declare class RTCCertificate {
    publicKey: string;
    privateKey: string;
    cert: string;
    constructor(privateKeyPem: string, certPem: string);
    getFingerprints(): RTCDtlsFingerprint[];
    static unsafe_useDefaultCertificate(): RTCCertificate;
}
export declare class RTCDtlsFingerprint {
    algorithm: string;
    value: string;
    constructor(algorithm: string, value: string);
}
export declare class RTCDtlsParameters {
    fingerprints: RTCDtlsFingerprint[];
    role: "auto" | "client" | "server" | undefined;
    constructor(fingerprints?: RTCDtlsFingerprint[], role?: "auto" | "client" | "server" | undefined);
}
export {};