export declare class NangoError extends Error {
    readonly status: number;
    readonly type: string;
    payload: Record<string, unknown>;
    readonly message: string;
    constructor(type: string, payload?: {}, status?: number);
    setPayload(payload: any): void;
}
export declare function isNangoErrorAsJson(obj: unknown): obj is NangoError;
export declare function deserializeNangoError(err: unknown): NangoError | null;