import type { ParsedPage, RuleResult } from "../../types.js";
/**
 * content/title-uniqueness — three checks rolled into one rule:
 *   1. Pages missing a title element (or with empty/whitespace-only titles).
 *   2. Pages whose title is so short that Google fills it from H1 / link
 *      text instead.
 *   3. Two or more pages sharing the EXACT raw title (templated catalog
 *      titles like "Slack to Google Sheets" vs "Slack to Airtable" are
 *      DIFFERENT raw titles, so this rule does NOT entity-mask — that
 *      would false-positive on every catalog directory in existence).
 *
 * Title is the highest-impact on-page signal Google ranks against. The
 * 2026-05-03 blind-spot audit surfaced it as a tier-1 gap that the
 * existing `content/meta-uniqueness` rule didn't cover (titles ≠ meta
 * descriptions).
 */
export declare function titleUniquenessRule(pages: ParsedPage[]): RuleResult[];
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