/// <reference types="node" />
import { Duplex } from 'stream';
import { RemoteConsoleInfo } from '../rest';
export declare enum DeviceType {
    FLOPPY = 1,
    CDROM = 2,
    USBKEY = 3
}
/**
 * Negotiates a virtual media connection.
 *
 * Returns protocol version if correct (afterwards you can start
 * the receiver) or throws error.
 *
 * Warning: Apparently, `sessionKey` and `rcInfo` must be taken
 * from an already-running remote console session, otherwise AUTHFAIL.
 *
 * @param socket recently-opened socket (or duplex stream)
 * @param sessionKey
 * @param rcinfo
 * @returns `[major, minor]` version tuple
 */
export declare function negotiateConnection(socket: Duplex, sessionKey: Uint8Array, rcinfo: RemoteConsoleInfo, options: {
    deviceType: DeviceType;
    targetIsDevice?: boolean;
}): Promise<number[]>;
export default negotiateConnection;