import type { EntityMaskPattern, ParsedPage } from "../types.js";
export type FactKind = "money" | "percent" | "timeframe" | "date" | "isoDate" | "form" | "ratio" | "measurement";
export interface FactSpan {
    value: string;
    kind: FactKind;
}
export interface NamedEntity {
    value: string;
    source: "proper-noun" | "cue-word" | "json-ld";
    type?: "organization" | "person" | "product" | "law" | "standard" | "place" | "other";
}
export interface Citation {
    href: string;
    domain: string;
    authority: "authoritative" | "general";
    reason?: "tld" | "allowlist";
}
export interface GroundedClaim {
    sentence: string;
    facts: string[];
    citations: string[];
}
export interface PageFacts {
    /** EXACTLY today's extractRawFacts() output (run on entity-masked text). Frozen. */
    citableFacts: string[];
    measurements: FactSpan[];
    namedEntities: NamedEntity[];
    citations: Citation[];
    groundedClaims: GroundedClaim[];
}
export declare function extractCitableFacts(text: string): string[];
export declare function extractMeasurements(maskedText: string): FactSpan[];
export declare function extractNamedEntities(maskedText: string, jsonLd?: unknown[]): NamedEntity[];
export declare const DEFAULT_CITATION_ALLOWLIST: readonly string[];
export declare function registrableDomain(host: string): string;
export declare function classifyCitations(resolvedHrefs: readonly string[], pageUrl: string, allowlist?: readonly string[]): Citation[];
export declare function hasAuthoritativeCitation(resolvedHrefs: readonly string[], pageUrl: string, allowlist?: readonly string[]): boolean;
/**
 * Deterministic approximation of "a verifiable claim": a block (<p>/<li>) that
 * contains a statistic AND an outbound citation. Approximated at block level,
 * not exact sentence level — documented limitation. Detects co-occurrence, not
 * semantic truth. Consume at `speculative` confidence.
 */
export declare function extractGroundedClaims(html: string, pageUrl: string, allowlist?: readonly string[]): GroundedClaim[];
export declare function extractPageFacts(page: Pick<ParsedPage, "url" | "contentText" | "html" | "resolvedHrefs" | "jsonLd">, entityPatterns: EntityMaskPattern[], allowlist?: readonly string[]): PageFacts;
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