import { default as React, ReactNode } from 'react';
/**
 * Column definition for virtualized table
 */
export interface VirtualizedColumn<T> {
    /** Unique column key */
    key: string;
    /** Column header */
    header: string | ReactNode;
    /** Data accessor */
    accessor: keyof T | ((row: T) => ReactNode);
    /** Column width as percentage or fixed px */
    width?: string | number;
    /** Min width */
    minWidth?: number;
    /** Cell alignment */
    align?: 'left' | 'center' | 'right';
    /** Custom cell renderer */
    cell?: (value: unknown, row: T, index: number) => ReactNode;
}
/**
 * VirtualizedDataTable props
 */
export interface VirtualizedDataTableProps<T> {
    /** Table data */
    data: T[];
    /** Column definitions */
    columns: VirtualizedColumn<T>[];
    /** Unique row key accessor */
    rowKey: keyof T | ((row: T) => string);
    /** Table height in pixels */
    height: number;
    /** Row height in pixels */
    rowHeight?: number;
    /** Header height in pixels */
    headerHeight?: number;
    /** Loading state */
    isLoading?: boolean;
    /** Empty state message */
    emptyState?: ReactNode;
    /** Row click handler */
    onRowClick?: (row: T) => void;
    /** Custom class name */
    className?: string;
    /** Overscan count - rows to render above/below viewport */
    overscanCount?: number;
}
/**
 * VirtualizedDataTable component
 * Uses windowed rendering for optimal performance with large datasets
 */
declare function VirtualizedDataTableInner<T>({ data, columns, rowKey, height, rowHeight, headerHeight, isLoading, emptyState, onRowClick, className, overscanCount, }: VirtualizedDataTableProps<T>): React.ReactElement;
export declare const VirtualizedDataTable: typeof VirtualizedDataTableInner;
/**
 * Hook to determine if virtualization should be used
 * @param dataLength - Length of the data array
 * @param threshold - Threshold above which virtualization is recommended
 * @returns Whether virtualization should be used
 */
export declare function useVirtualizationRecommended(dataLength: number, threshold?: number): boolean;
export {};