/**
 * Message types for transport communication.
 *
 * @enum {string}
 */
export declare enum MessageType {
    /**
     * The message type for events.
     *
     * @type {string}
     */
    EVENT = "event",
    /**
     * The message type for requests.
     *
     * @type {string}
     */
    REQUEST = "request",
    /**
     * The message type for responses.
     *
     * @type {string}
     */
    RESPONSE = "response"
}