/**
 * Type defining the modality options for input detection.
 * @internal
 */
export type Modality = 'keyboard' | 'pointer' | 'touch' | 'unknown';
/**
 * Module-level store for the current input modality.
 * Tracks whether the user is interacting via keyboard, pointer (mouse), or touch.
 * @internal
 */
export declare const modalityStore: import("../index.js").Store<Modality>;
/**
 * Initializes input modality detection by attaching event listeners to the window.
 * This function is idempotent - calling it multiple times will only initialize once.
 *
 * The modality detection tracks whether the user is currently using keyboard, pointer (mouse),
 * or touch input, updating the global `modalityStore` accordingly.
 *
 * @internal
 */
export declare function initModalityDetection(): void;