/**
 * Parameters describing a conversion to record.
 */
export type ConversionParams = {
    /** The experiment this conversion is attributed to. */
    experimentKey: string;
    /** The variant the session was assigned. */
    variant: string;
    /** The goal reached (e.g. `"signup"`, `"cta_click"`). */
    goal: string;
    /** Optional numeric value (e.g. revenue). */
    value?: number;
};
/**
 * Returns a `trackConversion` callback for content A/B testing. Safe to call
 * from any component: it resolves to a no-op when analytics is disabled or the
 * client has not been initialized yet.
 *
 * @example
 * ```svelte
 * <script>
 *   const trackConversion = useConversion();
 * </script>
 * <button on:click={() => trackConversion({
 *   experimentKey: 'homepage-hero', variant: 'b', goal: 'cta_click',
 * })}>Get started</button>
 * ```
 */
export declare const useConversion: () => (params: ConversionParams) => void;