import { EventTicketInput, EventPerformerInput } from './types';
/**
 * Escape a JSON string for safe embedding inside an inline
 * <script type="application/ld+json"> element.
 *
 * JSON.stringify does NOT escape `<`, `>` or `&`, so a field value containing
 * `</script><script>...` would break out of the script element and execute
 * (stored XSS). Replacing those characters with their unicode escape sequences
 * keeps the output valid JSON (parsers decode `<` back to `<`) while making
 * it impossible to terminate the surrounding <script> tag.
 *
 * This is the standard JSON-LD-in-<script> hardening; the sibling
 * HostSeoController avoids the issue entirely by using element.textContent.
 */
export declare function escapeJsonLdForScript(json: string): string;
/**
 * Format datetime to ISO-8601 with timezone offset.
 * Google requires: "2025-07-21T19:00:00-05:00"
 *
 * Extracted from EventStructuredData.svelte lines 25-68.
 */
export declare function formatDateTimeWithOffset(isoString: string | null | undefined, tz: string): string | null;
/**
 * Parse address string into PostalAddress components.
 * Input: "7702 Santa Monica Blvd, West Hollywood, CA 90046"
 * Output: { @type, streetAddress, addressLocality, addressRegion, postalCode, addressCountry }
 *
 * Extracted from EventStructuredData.svelte lines 75-111.
 */
export declare function parseAddressToPostal(addressStr: string | null | undefined): Record<string, string> | null;
/**
 * Structured postal-address parts, as the public resolve/series payloads now
 * expose them: `address` is the STREET line, with city/state/postalCode/country
 * as discrete fields (PublicVenueInfo / SeriesVenueDTO).
 */
export interface PostalAddressParts {
    address?: string | null;
    city?: string | null;
    state?: string | null;
    postalCode?: string | null;
    country?: string | null;
}
/**
 * Build a schema.org PostalAddress, preferring discrete structured fields when
 * any locality signal (city / state / postalCode) is present, and otherwise
 * falling back to parsing a single comma-separated string (the street `address`
 * field if it carries a full address, else `googleLocationNameCache`).
 *
 * Discrete fields are more reliable than string-splitting — Google requires a
 * well-formed PostalAddress for Event rich-result eligibility (online-only
 * events lost eligibility June 2025).
 */
export declare function buildPostalAddress(parts: PostalAddressParts | null | undefined, fallback?: string | null): Record<string, string> | null;
/**
 * Map event status to schema.org EventStatusType.
 *
 * Extracted from EventStructuredData.svelte lines 116-132.
 */
export declare function getEventStatus(rawStatus: string | null | undefined): string;
/**
 * Map ticket availability to schema.org ItemAvailability.
 *
 * Extracted from EventStructuredData.svelte lines 137-157.
 */
export declare function getTicketAvailability(ticket: EventTicketInput): string;
/**
 * Build a schema.org price-range offer from a low/high price and availability.
 *
 * The shared primitive behind every JSON-LD offer block: emit an AggregateOffer
 * when the range spans two prices, or a single Offer when low === high. Any
 * caller-specific fields (a buy `url`, a `validFrom` sales-start) ride along in
 * `extra`, spread verbatim after the core fields so each caller reproduces its
 * exact prior shape — the event builder passes url/validFrom, the series builder
 * passes nothing.
 */
export declare function buildPriceRangeOffer(lowPrice: number, highPrice: number, availability: string, extra?: Record<string, unknown>): Record<string, unknown>;
/**
 * Build offers from available tickets.
 *
 * Extracted from EventStructuredData.svelte lines 162-208.
 */
export declare function buildOffers(tickets: EventTicketInput[] | null | undefined, url?: string): Record<string, unknown> | null;
/**
 * Build performer array from event performers.
 *
 * Extracted from EventStructuredData.svelte lines 213-237.
 */
export declare function buildPerformers(performers: EventPerformerInput[] | null | undefined): Array<Record<string, string>> | null;