/// <reference types="node" />
import { EventEmitter } from "eventemitter3";
export declare const VENDOR_ID = "0403";
export declare const PRODUCT_ID = "6001";
interface Events {
    ready: [];
    error: [Error];
}
export declare class EnttecOpenDMXUSBDevice extends EventEmitter<Events> {
    private shouldBeSending;
    private sendTimeout;
    private buffer;
    private readonly port;
    /**
     * @param {string} path A path returned by {@link EnttecOpenDMXUSBDevice.listDevices} or
     * {@link EnttecOpenDMXUSBDevice.getFirstAvailableDevice}.
     * @param {boolean} [startSending=true] If the device should start sending as soon as it is ready.
     */
    constructor(path: string, startSending?: boolean);
    /**
     * Starts sending.
     * @param {number} [interval=0] The time between each attempt to send.
     * @throws Error If the device is not ready yet.
     */
    startSending(interval?: number): void;
    /**
     * Stops sending.
     */
    stopSending(): void;
    /**
     * Sets the channel values.
     * If channels is an Object, the keys are the channel numbers.
     *
     * @param {Buffer|Object|Array} channels
     * @param {boolean} [clear=false] Whether all previously assigned channels should be set to 0
     */
    setChannels(channels: Buffer | number[] | Record<number, number>, clear?: boolean): void;
    /**
     * @returns {Promise} Resolves when the whole universe was send.
     * @private
     */
    private sendUniverse;
    /**
     * Lists the paths of all available devices.
     * @returns {Promise<string[]>}
     */
    static listDevices(): Promise<string[]>;
    /**
     * Gets the path of the first available device found.
     * @throws Error when no device is found.
     * @returns {Promise<string>}
     */
    static getFirstAvailableDevice(): Promise<string>;
}
export {};