import type { AuthorityDelegationV1, AuthorityFailure } from './types.js';
export declare function isCanonicalTimestamp(value: unknown): value is string;
/**
 * String-order comparison of two canonical timestamps.
 *
 * RFC 3339 section 5.1: timestamps in the same format (all UTC "Z", same
 * number of fractional digits) sort as strings into time order, so this
 * compares the strings directly rather than going through Date.parse (which
 * returns NaN for a leap-second ":60" value). Second 60 is valid only at
 * 23:59 on the last day of its month (RFC 3339 section 5.7 and Appendix D).
 * Defined only for values that have already passed isCanonicalTimestamp.
 */
export declare function compareCanonicalTimestamps(a: string, b: string): number;
export declare function isCanonicalQuantity(value: unknown): value is string;
/**
 * Closed-schema and canonical-value validation for an in-memory decoded record.
 *
 * Snapshots `value` to plain JSON data first (see plain-data.ts) and runs every check
 * below against that snapshot only, so a getter or a Proxy trap in the caller's
 * argument is read at most once and cannot answer this function's checks differently
 * from the value this function actually returns failures about.
 */
export declare function validateAuthorityDelegationShape(value: unknown): AuthorityFailure[];
export declare function isAuthorityDelegationV1(value: unknown): value is AuthorityDelegationV1;
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