import type { PhoneMaskBindingOptions } from '../types';
type Attachment<T extends EventTarget = Element> = (element: T) => void | (() => void);
/**
 * Svelte 5.29+ attachment that applies phone number masking to an <input> element.
 *
 * Usage:
 *   <input {@attach phoneMaskAttachment('US')} />
 *   <input {@attach phoneMaskAttachment({ country: 'DE', onChange: (p) => console.log(p) })} />
 *   <input {@attach phoneMaskAttachment({ detect: true, onCountryChange: (c) => console.log(c) })} />
 *
 * Unlike the `use:` action, the factory re-runs reactively when reactive state
 * in the call site changes — no `update()` hook needed.
 */
export declare function phoneMaskAttachment(params?: string | PhoneMaskBindingOptions): Attachment<HTMLInputElement>;
export {};
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