import { ListLayout } from 'react-aria-components/Virtualizer';
/**
 * Configuration for list virtualization.
 * @remarks
 * - `estimatedRowHeight` should ideally reference a design token
 * - `estimatedHeadingHeight` should ideally reference a design token
 * - These values affect scroll behavior and performance
 */
export declare const VIRTUALIZATION_CONFIG: {
    readonly layout: typeof ListLayout;
    readonly layoutOptions: {
        /**
         * Estimated height of each list item in pixels.
         * Used for virtualization calculations.
         */
        readonly estimatedRowHeight: number;
        /**
         * Estimated height of section headings in pixels.
         * Used for virtualization calculations.
         */
        readonly estimatedHeadingHeight: number;
        /**
         * Gap between items in pixels
         */
        readonly gap: 0;
        /**
         * Padding around the list in pixels
         */
        readonly padding: 0;
    };
};
/**
 * Default threshold for showing search input.
 * Search is shown automatically when item count exceeds this value.
 */
export declare const DEFAULT_SEARCH_THRESHOLD = 10;