export declare class AuthError extends Error {
    /**
     * The websocket close event code.
     */
    code: number;
    constructor(message: string, 
    /**
     * The websocket close event code.
     */
    code: number);
}
export declare class APIError extends Error {
    /**
     * Code identifying the source behind this error.
     */
    code: "MISSING_VERSION" | "MISSING_BLOCKS";
    constructor(message: string, 
    /**
     * Code identifying the source behind this error.
     */
    code: "MISSING_VERSION" | "MISSING_BLOCKS");
}