/**
 * TAP-specific error codes.
 *
 * These are in addition to the generic http-signatures errors.
 */
export declare const ErrorCodes: {
    /** expires - created > 480 seconds */
    readonly TAP_WINDOW_TOO_LARGE: "E_TAP_WINDOW_TOO_LARGE";
    /** created > now OR now > expires */
    readonly TAP_TIME_INVALID: "E_TAP_TIME_INVALID";
    /** alg is not ed25519 */
    readonly TAP_ALGORITHM_INVALID: "E_TAP_ALGORITHM_INVALID";
    /** Unknown tag (rejected unless allowUnknownTags) */
    readonly TAP_TAG_UNKNOWN: "E_TAP_TAG_UNKNOWN";
    /** Signature verification failed */
    readonly TAP_SIGNATURE_INVALID: "E_TAP_SIGNATURE_INVALID";
};
export type ErrorCode = (typeof ErrorCodes)[keyof typeof ErrorCodes];
/**
 * HTTP status codes for TAP errors.
 */
export declare const ErrorHttpStatus: Record<ErrorCode, number>;
/**
 * TAP error with code and HTTP status.
 */
export declare class TapError extends Error {
    readonly code: ErrorCode;
    readonly httpStatus: number;
    constructor(code: ErrorCode, message: string);
}
//# sourceMappingURL=errors.d.ts.map