export type ZeroTrueErrorPayload = {
    statusCode: number;
    message: string;
    code: "ZEROTRUE_API_ERROR" | "ZEROTRUE_NETWORK_ERROR" | "ZEROTRUE_INVALID_RESPONSE";
    details?: unknown;
};
export declare class ZeroTrueApiError extends Error {
    readonly statusCode: number;
    readonly code: ZeroTrueErrorPayload["code"];
    readonly details?: unknown;
    constructor(payload: ZeroTrueErrorPayload);
    toJSON(): ZeroTrueErrorPayload;
}
export declare function normalizeUnknownError(error: unknown): ZeroTrueErrorPayload;
export declare function describeUnknownError(error: unknown): Record<string, unknown> | undefined;