import type { GridItem } from './utils';
export declare const DEFAULT_COLUMNS = 2;
export declare const DEFAULT_MIN_COLUMNS = 175;
export declare const DEFAULT_BACK_TOP_BUTTON_SHOW_AT_HEIGHT = 100;
export declare const DEFAULT_KEY_EXTRACTOR: <ItemT extends GridItem<{
    id?: string | undefined;
    key?: string | undefined;
} | null>>(items: ItemT[], index: number) => string;