import GlitchKitBaseHttpError from '../baseGlitchKit/GlitchKitBaseHttpError';
declare class GlitchKitProxyAuthenticationRequiredHttpError extends GlitchKitBaseHttpError {
    constructor(message: string, errorCode?: number);
    static isInstance(error: unknown): boolean;
}
export default GlitchKitProxyAuthenticationRequiredHttpError;