import type { RuntimeState } from "../types.ts";
/**
 * Tracks effective `analytics_storage` and emits a best-effort ping when it changes.
 *
 * Behavior:
 * - Only fires if at least one property is configured.
 * - Emits `user_engagement` with `consent_update=1` as an event param.
 * - Uses effective consent (prefers mirrored gtag/GTM consent if present).
 */
export declare function maybeEmitConsentUpdatePing(getState: () => RuntimeState): void;