export type Mode = 'ltd' | 'io' | 'space' | 'agency';
/**
 * Sets up View Transitions API for within-property navigation.
 *
 * Call this once in your root +layout.svelte:
 * ```svelte
 * <script>
 *   import { setupViewTransitions } from '@create-something/components/transitions';
 *   setupViewTransitions('io');
 * </script>
 * ```
 *
 * @param mode - The current property/Mode of Being
 */
export declare function setupViewTransitions(mode?: Mode): void;
/**
 * Store the origin property when navigating cross-domain.
 * Called before navigating to a different CREATE Something property.
 */
export declare function setTransitionOrigin(from: Mode, to: Mode): void;
/**
 * Get and clear the transition origin on page load.
 * Returns null if no recent cross-property transition occurred.
 */
export declare function getTransitionOrigin(): {
    from: Mode;
    to: Mode;
} | null;
/**
 * Extract the Mode from a CREATE Something URL.
 */
export declare function extractModeFromUrl(url: string): Mode | null;
/**
 * Check if a URL is a cross-property CREATE Something link.
 */
export declare function isCrossPropertyLink(url: string, currentMode: Mode): boolean;