import ComponentHook from '../../component_hook.js';
import type ComponentContext from '../../component_context.js';
/**
 * Reads whatever `HandlesDownloads.download()` staged in the component's
 * store and turns it into the `download` effect the vendored client script
 * knows how to consume. Mirrors SupportRedirects's store-then-dehydrate
 * shape.
 */
export declare class SupportDownloads extends ComponentHook {
    dehydrate(context: ComponentContext): Promise<void>;
}