declare class UserError extends Error {
    constructor(msg?: string);
}
/**
 * Indicates the user associated with the client is already registered.
 */
export declare class AlreadyRegisteredError extends UserError {
    constructor();
}
/**
 * Indicates the configuration related to Identity Service is not found. This may indicate that Identity Service
 * is not deployed into your runtime instance or the config file that
 * you are using is invalid.
 */
export declare class IdentityServiceConfigNotFoundError extends UserError {
    constructor();
}
export {};