import type { AtUriString } from '@atproto/lex-schema';
import type { AssociatedSiteStandardRecord, ExternalRecords, SiteStandardDocument, SiteStandardPublication } from '../../hydration/external.js';
/**
 * Confirm that the supplied SS records actually back `assumedUrl`. The
 * record-side URL is built by concatenating the publication URL (or the
 * loose-doc site) with the document's `path` field, then both sides are
 * canonicalized for equality: lowercase host, query/fragment dropped,
 * trailing slash stripped.
 *
 * Path concatenation is `base + '/' + path` semantics — a leading `/` on
 * `path` does NOT swallow the base's pathname (the way
 * `new URL(path, base)` would). So
 * `'https://atproto.com/blog' + '/indexing-standard-site'` resolves to
 * `https://atproto.com/blog/indexing-standard-site` regardless of which
 * side carries the slash.
 *
 * Structural validation of the doc/pub pair (matching `site` ↔ pub URI,
 * no orphan docs that claim a missing publication) happens upstream: in
 * `getSiteStandardRecordsFromRefs`'s pinned-root/dependency selection
 * (`hydration/external.ts`), or by `validateStandardSiteRecordsForUrl` over
 * `getStandardSiteRecordsForUri`'s selection (which alone leaves an orphan
 * document selected with an absent publication). By the time this
 * function runs the pair is already known to be structurally consistent,
 * so we only check whether the records back the URL.
 *
 * For document validation, `SUBPATH_FRIENDLY_DOMAINS` (and their
 * subdomains) accept an assumed URL whose path extends the canonical
 * record URL with additional segments — these are platforms where each
 * record's author owns the full subpath space under their claimed URL.
 * Publication-only validation always requires exact match: there's no
 * coherent "subpath" of a publication's home page.
 *
 * Cases:
 * - Document + publication: `publication.url + document.path` must
 *   canonicalize to `assumedUrl` (or be a subpath-friendly prefix of it).
 * - Loose document (web-URL `site`): `document.site + document.path`
 *   must canonicalize to `assumedUrl` (or be a subpath-friendly prefix).
 *   (Doc with at-uri `site` but no publication can't reach this function
 *   — callers reject it.)
 * - Publication only: `publication.url` must canonicalize exactly to
 *   `assumedUrl`.
 * - Neither: vacuously valid; the caller short-circuits before we get
 *   here.
 */
export declare const validateStandardSiteForUrl: (document: {
    ref: {
        uri: string;
    };
    info: {
        record: {
            site: string;
            path?: string;
        };
    };
} | undefined, publication: {
    ref: {
        uri: string;
    };
    info: {
        record: {
            url: string;
        };
    };
} | undefined, assumedUrl: string) => boolean;
export type StandardSiteRecordSelection = {
    document?: AssociatedSiteStandardRecord<SiteStandardDocument>;
    publication?: AssociatedSiteStandardRecord<SiteStandardPublication>;
};
/**
 * Select the Standard.site records backing `canonicalUri` from in-memory
 * hydrated `records`: the canonical record itself and, for a document whose
 * `site` is a publication AT-URI, that publication. Stored bodies are checked
 * against the Lexicon without parsing or defaulting. Nothing is fetched, and a
 * missing or invalid referenced publication leaves that slot empty while the
 * document stays selected.
 */
export declare const getStandardSiteRecordsForUri: (canonicalUri: AtUriString, records: ExternalRecords | undefined) => StandardSiteRecordSelection;
/**
 * Whether the selected records form a valid association that backs
 * `assumedUrl`. A document naming a publication AT-URI needs exactly that
 * publication; a supplied publication must be the one the document names.
 * Standalone publications and documents with a web-URL `site` are valid on
 * their own. URL comparison is `validateStandardSiteForUrl`; renderability
 * (e.g. empty titles) is not considered.
 */
export declare const validateStandardSiteRecordsForUrl: (document: AssociatedSiteStandardRecord<SiteStandardDocument> | undefined, publication: AssociatedSiteStandardRecord<SiteStandardPublication> | undefined, assumedUrl: string) => boolean;
/**
 * Estimate reading time in minutes from a plaintext document body. Returns
 * `undefined` when the input has no countable words. Uses a coarse
 * `WORDS_PER_MINUTE` heuristic; swap in a more accurate library here if
 * needed (e.g. `reading-time`).
 */
export declare const estimateReadingTimeMinutes: (text: string) => number | undefined;
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