import type { CompactTrustedListBundle, TrustedListData, TrustedListSource, TrustedService } from "./types";
/**
 * Derive a stable, filesystem/URL-safe bundle id from a generatedAt timestamp,
 * e.g. "2026-06-25T18:30:00.000Z" -> "2026-06-25T18-30-00Z".
 */
export declare function formatTrustedListBundleId(generatedAt: string): string;
export declare function createEmptyTrustedListBundle(): CompactTrustedListBundle;
export declare function buildTrustedListData(bundle: CompactTrustedListBundle): TrustedListData;
export declare function buildCompactTrustedListBundle(services: TrustedService[], sources: TrustedListSource[], generatedAt?: string): CompactTrustedListBundle;
/**
 * Carry forward last-known-good services only for territories whose advertised
 * TSL endpoints were explicitly observed as unreachable during this fetch.
 *
 * A territory merely being absent from the fresh bundle is not sufficient:
 * absence can represent a legitimate removal and must not resurrect stale trust.
 * A territory present in the fresh bundle always wins.
 */
export declare function mergeForwardUnreachableTerritories(fresh: CompactTrustedListBundle, previous: CompactTrustedListBundle, unreachableTerritories: ReadonlySet<string>): CompactTrustedListBundle;
export declare function dedupeTrustedServices(services: TrustedService[]): TrustedService[];