import { PresentationLoader } from './presentation-loader.svelte';
/**
 * Build the File > Open > "Browse this device" handler.
 *
 * The host can override it (the `onopenfile` prop); otherwise this falls back
 * to the built-in native picker and loads the chosen deck in place. Without the
 * fallback the control is inert in every host that does not pass `onopenfile`,
 * which is what made it look dead in the demo; React, Vue, Angular and Vanilla
 * all fall back this way.
 *
 * `getOverride` is read lazily so a host that supplies the callback later (or
 * conditionally) still wins.
 */
export declare function createOpenFile(loader: PresentationLoader, getOverride: () => (() => void) | undefined): () => void;
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