import React from 'react';
/**
 * Standalone sheet for variants-only-sheet mode. Full-height rail; horizontal edge comes from
 * inject `configurator.variants.position` ({@link useOV25UI} `snap2VariantSheetSide`).
 * Does NOT set isDrawerOrDialogOpen, so useIframePositioning is never triggered.
 */
export declare function VariantsOnlySheet(): React.ReactPortal | null;