/**
 * Top-level error class for websockets
 * (useful e.g. to check instanceof)
 */
export declare abstract class WebsocketError extends Error {
}
/**
 * Available websocket error names
 *
 * @example
 *  ```
 *    if (err.name === Websocket.ErrorNames.AccessDenied) {
 *      // handle access denied
 *    }
 *  ```
 */
export declare enum ErrorNames {
    AccessDenied = "ACCESS_DENIED",
    BadRequest = "BAD_REQUEST",
    NotFound = "NOT_FOUND",
    ServerError = "SERVER_ERROR"
}
export type ErrorName = ErrorNames | `${ErrorNames}`;
export declare class AccessDeniedError extends WebsocketError {
    name: `${ErrorNames.AccessDenied}`;
    message: string;
}
export declare class BadRequestError extends WebsocketError {
    name: `${ErrorNames.BadRequest}`;
    message: string;
}
export declare class NotFoundError extends WebsocketError {
    name: `${ErrorNames.NotFound}`;
    message: string;
}
export declare class ServerError extends WebsocketError {
    name: `${ErrorNames.ServerError}`;
    constructor(message: string);
}